Shift Work Sleep Disorder ICD 9 Code

Billable Medical Code for Circadian Rhythm Sleep Disorder, Shift Work Type

Diagnosis Code for Reimbursement Claim: ICD-9-CM 327.36

Code will be replaced by October 2015 and relabeled as ICD-10-CM 327.36.

The Short Description Is: Circadian rhy-shift work.

Known As

Shift work sleep disorder is also known as work shift change.

Shift Work Sleep Disorder Definition and Symptoms

Shift work sleep disorder is difficulty sleeping due to working nights or rotating shifts. This disorder is usually a problem for people who work nights but can also be an issue for someone that works very early morning shifts. Symptoms include concentration difficulty, headaches, fatigue, excessive sleepiness, and trouble sleeping.