ICD-9-CM 327.36 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 327.36 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
2015/16 ICD-10-CM G47.26 Circadian rhythm sleep disorder, shift work type
Approximate Synonyms
Work shift change
Clinical Information
A subtype of circadian rhythm sleep disorder in which the individual exhibits a normal endogenous pattern of sleep and wakefulness, but this pattern comes into conflict with the desired pattern of sleep and wakefulness required by shift work