|Original Policy Date
|Last Review Status/Date
Reviewed with literature search/2:2013
|Return to Medical Policy Index|
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Actigraphy refers to the assessment of activity patterns by devices typically placed on the wrist or ankle that record body movement, which is interpreted by computer algorithms as periods of sleep (absence of activity) and wake (activity). Sleep/wake cycles may be altered in sleep disorders including insomnia and circadian rhythm sleep disorders. In addition, actigraphy could potentially be used to assess sleep/wake
disturbances associated with numerous other diseases or disorders. Actigraphy might also be used to measure the level of physical activity.
Actigraphic devices are typically placed on the non-dominant wrist with a wristband and are worn continuously for at least 24 hours. Activity is usually recorded for a period of 3 days to 2 weeks but can be collected continuously over extended time periods with regular downloading of data onto a computer. The activity monitors may also be placed on the ankle for the assessment of restless legs syndrome, or on the trunk to record movement in infants. The algorithms for detection of movement are variable among devices and may include “time above threshold,” the “zero crossing method,” or “digital integration” method, resulting in different sensitivities. Sensitivity settings (e.g., low, medium, high, automatic) can also be adjusted during data analysis. The digital integration method reflects both acceleration and amplitude of movement; this form of data analysis may be most commonly used today. Data on patient bed times (lights out) and rise times (lights on) are usually entered into the computer record from daily patient sleep logs or by patient-activated event markers. Proprietary software is then
used to calculate periods of sleep based on the absence of detectable movement, along with movementrelated level of activity and periods of wake. In addition to providing graphic depiction of the activity pattern, device-specific software may analyze and report a variety of sleep parameters including sleep onset, sleep offset, sleep latency, total sleep duration, and wake after sleep onset. Actigraphy has been
used for more than 2 decades as an outcome measure in sleep disorders research.
Numerous actigraphy devices have received U.S. Food and Drug Administration (FDA) approval through
the 510(k) process. Some actigraphy devices are designed and marketed to measure sleep/wake states
while others are designed and marketed to measure levels of physical activity.
2.01.18 Diagnosis and Medical Management of Obstructive Sleep Apnea Syndrome
Actigraphy is considered investigational as a technique to record and analyze body movement, including but not limited to its use to evaluate sleep disorders.
Effective in 2009, there is a CPT category I code for this testing:
95803: Actigraphy testing, recording, analysis, interpretation and report (minimum of 72 hours to 14 consecutive days of recording)
BlueCard/National Account Issues
State or federal mandates (e.g., FEP) may dictate that all devices approved by the U.S. Food and Drug Administration (FDA) may not be considered investigational, and thus these devices may be assessedonly on the basis of their medical necessity.
This policy was created in 2005 and updated periodically using the MEDLINE database. The most recent literature update was performed through January 4, 2013.
This policy was initially based primarily on 2003 practice parameters issued by the American Academy of Sleep Medicine (AASM). (1) Since all the specific clinical indications for actigraphy were classified as guidelines or options, the AASM practice parameters indicated that all indications for actigraphy would be considered investigational. In a review paper that served as the basis for the 2003 practice parameters, (2) AASM pointed out the challenges in evaluating the diagnostic performance of actigraphy:
- Different actigraphy devices use different algorithms for the evaluation of data. There were no published articles comparing the different algorithms, making comparison between studies difficult.
- Polysomnography (PSG) is considered the gold standard for the evaluation of sleep/wake cycles. However, correlation data may be misleading. For example, a high correlation on total sleep time would mean that individuals who slept longer by PSG criteria also slept longer by actigraphy criteria; however, this would not exclude the possibility that actigraphy data overestimated total sleep time. Different methods of analysis have also been used, such as accuracy for identification of true sleep and true wake epochs. The diagnostic performance will also vary according to how much time the patient is asleep. For example, malfunctioning records will falsely identify the patient as asleep. Finally, comparisons between PSG and actigraphy have to be time-locked; if the 2 technologies gradually drift apart, different time epochs may be compared with each other.
- Published reports of actigraphy must contain complete reporting of sensitivity, specificity, scoring algorithm, and filters, as well as reliability, validity, ruggedness, and artifact rejection for the device and computer program used.
The 2005 Update for the AASM Practice Parameters (3) continued to list actigraphy as an option and suggested areas such as restless legs syndrome and characterized circadian rhythm patterns for further evaluation. No controlled studies had been conducted to compare the results of actigraphy to other methods to determine if actigraphy would provide incremental information that would result in improved health outcomes.
In 2007 the AASM published updated practice parameters on the use of actigraphy in the assessment of sleep and sleep disorders. (4) Whereas the 2005 practice parameters focused on the comparison of actigraphy with polysomnographically recorded sleep, the 2007 update included 108 additional studies comparing actigraphy to a number of standard clinical assessment tools that included sleep logs, subjective questionnaires, caregiver reports, and circadian phase markers. Actigraphy was recommended as a “standard” only as a method to estimate total sleep time in patients with obstructive sleep apnea syndrome when PSG is not available. Other indications changed from “option” to “guideline” but failed to reach a recommendation of “standard” due primarily to the absence of high-quality trials. Few of the studies reviewed had provided technical details related to the administration and scoring of actigraphy. In addition, most of the studies lacked a description of blinding, and there was “an inadequate description of whether visual inspection of data is performed, how missing data is handled, and other important decisions made in the analysis of actigraphy data.” The AASM Standards of Practice Committee indicated the need for additional research in the following areas:
- Comparison of results from different actigraphy devices and the variety of algorithms used
- Standards for setting start and stop times
- Reliability and validity compared to reference standards
- Clarification of the relative and unique contributions of actigraphy, polysomnography, and sleep logs in the diagnosis of sleep disorders and measurement of treatment effects
In AASM’s 2007 Practice Parameter on evaluation and treatment of circadian rhythm sleep disorders (CRSDs), the use of actigraphy was considered as either an option or guideline, depending on the suspected disorder. (5) Specifically, use of actigraphy was recommended as an option for diagnosis of irregular sleep-wake disorder and free-running disorder and as a guideline for diagnosis of advanced sleep phase disorder, delayed sleep phase disorder, and shift work disorder. The evidence reviewed indicated good agreement between actigraphy and results of other diagnostic tools including polysomnography, sleep logs, and markers of circadian phase. It should be noted, however, that there is a relative lack of evidence for any procedure in the diagnosis or evaluation of treatment of CRSDs. For example, use of sleep logs received a guideline recommendation, based primarily on consensus and inclusion in the second edition of the International Classification of Sleep Disorders (ICSD-2). Insufficient evidence was found to recommend use of circadian phase markers for any CRSDs other than free-running disorder. Polysomnography is not routinely indicated for the diagnosis of CRSDs. (5)
Actigraphy is frequently used as an intermediate outcome in research studies. However, literature review updates have not identified any studies that evaluated whether the use of actigraphy would result in improved health outcomes for patients with sleep disorders (clinical utility). A number of studies have assessed sensitivity and specificity in either healthy or clinical populations (clinical validity). Following is a summary of key studies to date.
Paquet et al. compared actigraphic assessment of sleep and wake with PSG under varying conditions of sleep disturbance (night time sleep, daytime sleep, daytime sleep with caffeine) in 23 healthy subjects. (6) Data were analyzed from a study that evaluated the effects of caffeine on daytime recovery sleep. The experimental protocol involved 2 visits to the sleep laboratory, each including one night of nocturnal sleep, one night of sleep deprivation, and the next day of recovery sleep (once with placebo and once with 200 mg caffeine). The Actiwatch® and PSG equipment were synchronized prior to recording, and assessment of sleep and wake were compared for each 1-minute interval to evaluate sensitivity, specificity, and accuracy of actigraphy in comparison with manually staged sleep from PSG recordings. Sensitivity was defined as the proportion of all epochs scored as sleep by PSG that were also scored as sleep by actigraphy. Specificity was the proportion of all epochs scored as wake by PSG that were also scored as wake by actigraphy. Accuracy was the proportion of all epochs correctly identified by actigraphy. Four different sensitivity settings/scoring algorithms were compared. In general, as the threshold to detect movement was raised, sensitivity to detect sleep increased, but the ability to detect wake (specificity) decreased. With the medium threshold algorithm, the sensitivity to detect sleep was 95–96%. However specificity, or the ability to detect wake, was 54% for night time sleep, 45% for daytime recovery sleep, and 37% for daytime recovery sleep with caffeine. A main finding of the study was that the more disturbed the sleep, the less the actigraph was able to differentiate between true sleep and quiet wakefulness, with an accuracy of 72% for the most disrupted sleep condition. Through experimental manipulation of the level of sleep disturbance, this study provides substantial information about the limitations of this technology for clinical populations with sleep disruption.
Several studies assessed clinical validity in patients with primary or secondary sleep disorders. A 2006 study assessed the sensitivity and specificity of actigraphy in comparison with PSG in older adults treated for chronic primary insomnia. (7) Visual scoring of the PSG data was blinded, and actigraphic records were scored by proprietary software. The study found that actigraphy agreed with PSG scoring of sleep for 95% of the 30-second epochs (sensitivity), but agreed with PSG scoring of wake only 36% of the time (specificity). The authors concluded that, “the clinical utility of actigraphy is still suboptimal in older adults treated for chronic primary insomnia.” Kaplan et al. compared outcomes from actigraphy, PSG, and sleep diary in 27 patients with bipolar disorder who were between mood episodes and in 27 age- and sex-matched controls. (8) Actigraphic and PSG measures of total sleep time were highly correlated, but correlations were marginal for sleep onset latency and wake after sleep onset. Sensitivity and specificity were not assessed. Blinded evaluation found no significant difference in sleep parameters between patients with bipolar disorder who were between mood episodes and controls.
Beecroft et al. reported an observational study of sleep monitoring in the intensive care unit, comparing nurse assessment, actigraphy, and PSG in 12 stable, critically ill, mechanically ventilated patients. (9) PSG showed severely disrupted sleep, with decreased total sleep time and sleep efficiency, high frequency of arousals and awakenings (fragmentation), and abnormal sleep architecture (decreased slow wave and rapid eye movement [REM] sleep). Both the nurse’s and the actigraphic assessment of sleep were found to be inaccurate. Actigraphy overestimated the total sleep time, with a median that was 2–3 hours greater than PSG. Median sleep efficiency (actual sleep as a percentage of total recording time) was estimated at 61–95% by actigraphy, depending on the sensitivity setting, which was substantially higher than the 42% median sleep efficiency shown by PSG with sleep staging. Actigraphy with a SOMNOwatch™ in patients (n=28) with sleep-disordered breathing showed a sensitivity of 90%, a specificity of 95%, and overall accuracy of 86% in comparison with PSG. (10) Correlations were high for total sleep time (0.89), sleep period time (0.91), and sleep latency (0.89), and moderate for sleep efficiency (0.71) and sustained sleep efficiency (0.65).
Studies continue to assess different modes of data collection and analysis, including varying the sensitivity settings for existing algorithms and developing new scoring algorithms. A 2011 publication compared 3 collection modes (proportional integration, time above threshold, and zero crossings) with PSG in 889 older community-dwelling men who participated in the Outcomes of Sleep Disorders in Men (MrOS) study. (11) The proportional integration mode was found to correspond best to PSG, with moderate interclass correlation coefficients of 0.32 to 0.57. Actigraphy in this mode overestimated total sleep time by an average of 13.2 minutes, with an absolute difference (positive or negative direction) of 52.9 minutes. There was a systematic bias for overestimating total sleep time, which increased with decreasing sleep duration.
Children and Adolescents
Werner and colleagues assessed agreement between actigraphy and parent diary or questionnaire for sleep patterns in 50 children, aged 4–7 years, recruited from kindergarten schools in Switzerland. Sixty-eight families agreed to participate of 660 families invited (10%). (12) Each child was home-monitored with an actigraph for 6 to 8 consecutive nights, and parents were requested to complete a detailed sleep diary (15-minute intervals) during the monitoring days to indicate bedtime, estimated sleep start, wake periods during the night, and estimated sleep end. Parents’ assessment of habitual wake time, get up time, bedtime, time of lights off, sleep latency, and nap duration were obtained through questionnaire. Satisfactory agreement, defined a priori as differences smaller than 30 minutes, was achieved between actigraphy and diary for sleep start, sleep end, and assumed sleep. Actual sleep time and nocturnal wake time differed by an average of 72 minutes and 55 minutes, respectively. Satisfactory agreement was not reached between actigraphy and questionnaire for any of the parameters. The authors concluded that the diary is a cost-effective and valid source of information about children’s sleep-schedule time, while actigraphy may provide additional information about nocturnal wake time or may be used if parents are unable to report in detail. Compliance and accuracy in the diaries is likely to be affected by the motivation of the parents, who in this study were self-selected.
In 2011, O’Driscoll et al. reported a comparison of actigraphy with PSG in 130 children who had been referred for assessment of sleep-disordered breathing. (13) The arousal index and apnea-hypopnea index (AHI) scored from PSG were compared to the number of wake bouts/hour and actigraphic fragmentation index. Using a PSG-determined AHI of greater than 1 event/hour, the actigraphic measure of wake bouts/hour had a sensitivity and specificity of 14.9% and 98.8%, respectively, and the fragmentation index had a sensitivity and specificity of 12.8% and 97.6%, respectively. Using a PSG-determined arousal index greater than 10 events per hour as the reference standard, the actigraphic measure of wake bouts/hour had a sensitivity and specificity of 78.1% and 52.6% and the fragmentation index had a sensitivity and specificity of 82.2% and 50.9% - both respectively. Based on receiver operator characteristic (ROC) curves, the ability of actigraphic measures to correctly classify a child as having an AHI of greater than 1 event/hour was considered to be poor.
Another study examined the validity of actigraphy for determining sleep and wake in children with sleep disordered breathing with data analyzed over 4 separate activity threshold settings (low, medium, high, auto). (14) The low and auto activity thresholds were found to adequately determine sleep (relative to PSG) but significantly underestimated wake, with sensitivity of 97% and specificity of 39%. The medium- and high-activity thresholds significantly underestimated sleep time (sensitivity of 94% and 90%, respectively) but were not found to be significantly different from the total PSG estimates of wake time (specificity of 59% and 69%). Overall agreement rates between actigraphy and PSG (for both sleep and wake) were 85% to 89%.
Discrepancy between actigraphic and sleep diary measures of sleep in adolescents was reported by Short et al. in 2012. (15) A total of 290 adolescents (13 to 18 years) completed 8 days of sleep diaries and actigraphy. Actigraphic estimates of total sleep time (median of 6 hours 57 minutes) were significantly less than total sleep time recorded in adolescent’s sleep diaries (median of 8 hours 17 minutes) or parent reports (median of 8 hours 51 minutes). Wake after sleep onset averaged 7 minutes in sleep diaries and 74 minutes by actigraphy. Actigraphy estimated wake after sleep onset of up to 3 hours per night in the absence of any wakening from sleep diaries, suggesting an overestimation of wake in this population. The discrepancy between actigraphy and sleep diary estimates of sleep was greater for boys than for girls, consistent with PSG studies showing increased nocturnal motor behavior in boys.
A validation study of actigraphy for determining sleep and wake was conducted in 10 preterm infants using videotaped behavioral observations. (16) The study was conducted for a 24-hour period each week while the infants were in the nursery, resulting in a total of 38 studies. Wakefulness was scored as quiet wake with eyes open and “bright”, active wake with eyes open and gross body movements, or crying. Sleep included quiet sleep with regular breathing and eyes closed, active sleep with irregular breathing and rapid eye movements, and indeterminate sleep, during which characteristics of both active and quiet sleep were observed. Behavioral sleep-wake scoring was carried out blinded to the knowledge of the actigraphy data. The actigraph, which was synchronized to the video recording, was placed in a custom-designed sleeve bandage and positioned on the infant’s leg midway between the knee and ankle. The agreement rate between actigraphic determination of sleep and wake, and behavioral scoring ranged from 66% for the high sensitivity setting at the youngest gestational age (30–33 weeks) to 89% at the low sensitivity setting for infants of 37–40 weeks’ gestational age. For the youngest infants, sensitivity and specificity at the low threshold were 88% and 34%, respectively. For infants of 37–40 weeks of gestational age, the sensitivity and specificity were 97% and 32%, respectively. Similar results (97% sensitivity and 24% specificity) were obtained with an epoch-by-epoch comparison of actigraphy and videosomnography in 22 autistic, 11 developmentally delayed, and 25 normally developing preschool children. (17)
Insana et al. compared ankle actigraphic recording and PSG in 22 healthy infants (13 to 15 months of age). (18) Actigraphy was found to underestimate total sleep time by 72 minutes and overestimate wake after sleep onset by 14 minutes. In 55% of the infants, total sleep time was underestimated by equal to or greater than 60 minutes. Sensitivity was calculated for total sleep time (92%), stages 1 and 2 combined (91%), slow wave sleep (96%), and REM sleep (89%). Specificity for identifying wake was 59%, and accuracy was 90%. Overall, actigraphy identified sleep relatively well but was unable to discriminate wake from sleep. Another study compared wrist actigraphy with PSG in 149 healthy school-aged children. (19) Although the sleep period time was not significantly different, actigraphy was found to underestimate total sleep time by 32 minutes (correlation coefficient of 0.47) and overestimate wake after sleep onset by 26 minutes (correlation coefficient of 0.09). The authors concluded that actigraphy is relatively inaccurate for the determination of sleep quality in this population.
The clinical validity of actigraphy, the assessment of activity patterns by devices typically placed on the wrist or ankle that record body movement, depends, to a large extent, on the modality with which it is being compared.
- Comparisons with sleep diaries show reasonable correlations for measures of bedtime, sleep onset, and wake time in adults but not in adolescents. The relative and unique contributions of actigraphy and sleep logs in the diagnosis of sleep disorders and measurement of treatment effects remain to be demonstrated.
- Comparisons with the more resource-intensive polysomnography or behavioral scoring indicate that, with the appropriate sensitivity threshold, actigraphy has sufficient sensitivity to detect sleep but has poor specificity in distinguishing between wake and sleep. The literature also indicates that the accuracy of actigraphy to differentiate between wake and sleep decreases as the level of sleep disturbance increases.
Overall, progress has been made since the 2007 American Academy of Sleep Medicine (AASM) research recommendations in assessing the reliability and validity of different algorithms in comparison with the reference standard. Although actigraphy appears to provide reliable measures of sleep onset and wake time in some patient populations, the clinical utility of actigraphy over the less expensive sleep diary has not been demonstrated. Moreover, evidence indicates that actigraphy does not provide a reliable measure of sleep efficiency in clinical populations. Evidence to date does not indicate that this technology is as beneficial as the established alternatives. Therefore, actigraphy is considered investigational.
Practice Guidelines and Position Statements
American Academy of Sleep Medicine Practice Parameters
The recommendations of the AASM are categorized as standards, guidelines, or options. Standards describe a generally accepted patient care strategy, which reflects a high degree of clinical certainty. Guidelines reflect a moderate degree of clinical certainty, while options imply either inconclusive or conflicting evidence or conflicting expert opinion. As noted here, there is only one recommendation considered a standard, and this addresses the technical performance of actigraphic devices (first bullet below). There is also only 1 recommended guideline (second bullet below), and this addresses the small subset of patients with insomnia and restless legs syndrome with specific indications. All of the other recommendations are considered options.
Recommendations of the AASM from 2003 (1):
- Actigraphy is reliable and valid for detecting sleep in normal, healthy adult populations. (Standard)
- Actigraphy is not indicated for the routine diagnosis, assessment of severity, or management of any of the sleep disorders. However, it may be useful in the assessment of specific aspects of insomnia (assessment of sleep variability, measurement of treatment effects, detection of sleep phase alterations), and restless legs syndrome/periodic limb movement (assessment of treatment effects). (Guideline)
- Actigraphy may be a useful adjunct to a detailed history, examination, and subjective sleep diary for the diagnosis and treatment of insomnia, circadian-rhythm disorders, and excessive sleepiness under certain conditions. (Option)
- The use of actigraphy may be useful in assessing daytime sleepiness in situations where a more standard technique, such as a multiple sleep latency test, is not practical. (Option)
- Actigraphy is an effective means of demonstrating multiday human rest-activity pattern in clinical situations in which a sleep log, observations, or other methods cannot provide similar information. (Option)
- Actigraphy may be useful in characterizing and monitoring circadian rhythm patterns or disturbances in elderly and nursing home patients, newborns, infants, children, and adolescents; hypertensive individuals; depressed or schizophrenic patients; and individuals in inaccessible situations (i.e., space flight). (Option)
- Actigraphy appears useful as an outcome measure in interventional trials in patients with sleep disorders, outcome studies of healthy adults, patients with certain medical and psychiatric conditions, and children and the elderly. (Option)
- Actigraphy may be useful in determining the rest-activity pattern during portable sleep apnea testing. However, the use of actigraphy alone in the detection of obstructive sleep apnea is not currently established. (Option)
- Actigraphic studies should be conducted for a minimum of 3 consecutive 24-hour periods, but this length of time is highly dependent on the specific use in a given individual. (Option)
A 2005 Update for the AASM practice parameters (3) continued to list actigraphy as an option and also suggested areas, such as restless legs syndrome and characterizing circadian rhythm patterns, for further evaluation.
Updated practice parameters in 2007 on the use of actigraphy in the assessment of sleep and sleep disorders (including a separate practice parameter on circadian rhythm sleep disorders) recommended actigraphy as a “standard” only as a method to estimate total sleep time in patients with obstructive sleep apnea syndrome when PSG is not available. (4, 5) Other indications changed from option to guideline but failed to reach a recommendation of standard due primarily to the absence of high-quality trials.
Medicare National Coverage
There is no national coverage determination.
- Littner M, Kushida CA, Anderson WM et al. Practice parameters for the role of actigraphy in the study of sleep and circadian rhythms: an update for 2002. Sleep 2003; 26(3):337-41.
- Ancoli-Israel S, Cole R, Alessi C et al. The role of actigraphy in the study of sleep and circadian rhythms. Sleep 2003; 26(3):342-92.
- Kushida CA, Littner MR, Morgenthaler T et al. Practice parameters for the indications for polysomnography and related procedures: an update for 2005. Sleep 2005; 28(4):499-521.
- Morgenthaler T, Alessi C, Friedman L et al. Practice parameters for the use of actigraphy in the assessment of sleep and sleep disorders: an update for 2007. Sleep 2007; 30(4):519-29.
- Morgenthaler TI, Lee-Chiong T, Alessi C et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. An American Academy of Sleep Medicine report. Sleep 2007; 30(11):1445-59.
- Paquet J, Kawinska A, Carrier J. Wake detection capacity of actigraphy during sleep. Sleep 2007; 30(10):1362-9.
- Sivertsen B, Omvik S, Havik OE et al. A comparison of actigraphy and polysomnography in older adults treated for chronic primary insomnia. Sleep 2006; 29(10):1353-8.
- Kaplan KA, Talbot LS, Gruber J et al. Evaluating sleep in bipolar disorder: comparison between actigraphy, polysomnography, and sleep diary. Bipolar Disord 2012; 14(8):870-9.
- Beecroft JM, Ward M, Younes M et al. Sleep monitoring in the intensive care unit: comparison of nurse assessment, actigraphy and polysomnography. Intensive Care Med 2008; 34(11):2076-83.
- Dick R, Penzel T, Fietze I et al. AASM standards of practice compliant validation of actigraphic sleep analysis from SOMNOwatch versus polysomnographic sleep diagnostics shows high conformity also among subjects with sleep disordered breathing. Physiol Meas 2010; 31(12):1623-33.
- Blackwell T, Ancoli-Israel S, Redline S et al. Factors that may influence the classification of sleep-wake by wrist actigraphy: the MrOS Sleep Study. J Clin Sleep Med 2011; 7(4):357-67.
- Werner H, Molinari L, Guyer C et al. Agreement rates between actigraphy, diary, and questionnaire for children's sleep patterns. Arch Pediatr Adolesc Med 2008; 162(4):350-8.
- O'Driscoll DM, Foster AM, Davey MJ et al. Can actigraphy measure sleep fragmentation in children? Arch Dis Child 2010; 95(12):1031-3.
- Hyde M, O'Driscoll DM, Binette S et al. Validation of actigraphy for determining sleep and wake in children with sleep disordered breathing. J Sleep Res 2007; 16(2):213-6.
- Short MA, Gradisar M, Lack LC et al. The discrepancy between actigraphic and sleep diary measures of sleep in adolescents. Sleep Med 2012; 13(4):378-84.
- Sung M, Adamson TM, Horne RS. Validation of actigraphy for determining sleep and wake in preterm infants. Acta Paediatr 2009; 98(1):52-7.
- Sitnick SL, Goodlin-Jones BL, Anders TF. The use of actigraphy to study sleep disorders in preschoolers: some concerns about detection of nighttime awakenings. Sleep 2008; 31(3):395-401.
- Insana SP, Gozal D, Montgomery-Downs HE. Invalidity of one actigraphy brand for identifying sleep and wake among infants. Sleep Med 2010; 11(2):191-6.
- Spruyt K, Gozal D, Dayyat E et al. Sleep assessments in healthy school-aged children using actigraphy: concordance with polysomnography. J Sleep Res 2011; 20(1 Pt 2):223-32.
|CPT||95803||Actigraphy testing, recording, analysis, interpretation, and report (minimum of 72 hours to 14 consecutive days of recording)|
Investigational for all codes
|ICD-10-CM (effective 10/1/14)||
Investigational for all diagnoses
|F51.01-F51.9||Sleep disorders not due to a substance or known physiological condition code range|
|G25.81||Restless legs syndrome|
|G47.00-G47.9||Sleep disorders code range|
|ICD-10-PCS (effective 10/1/14)||ICD-10-PCS codes are only for use on inpatient services. There is no specific ICD-10-PCS code for this procedure.|
|4A1ZXQZ||Measuring & monitoring, physiological systems, monitoring, external, sleep|
|06/27/05||Add policy to Medicine section||New policy|
|07/20/06||Replace policy||Policy statement unchanged, reference number 8 added|
|09/18/07||Replace policy||Policy updated with literature review;references 9-11 added; policy statement unchanges|
|08/13/09||Replace policy||Policy updated with literature review through May 2009; references added and reordered; policy statement unchanged.|
|02/10/11||Replace policy||Policy updated with literature review through December 2010; references added and reordered; policy statement unchanged|
|02/09/12||Replace policy||Policy updated with literature review through November 2011; references 10 and 12 added and references reordered; some references removed. Policy statement unchanged|
|02/14/13||Replace Policy||Policy updated wtih literature review through January 4, 2013; references 8 and 15 added and referecnes reordered; policy statement unchanged|