G47.20

G47.20: Circadian rhythm sleep disorder, unspecified type

Billable / specific codeICD-10-CM

G47.20 is a billable, specific ICD-10-CM code for circadian rhythm sleep disorder, unspecified type. It is valid for submission on a claim.

Check G47.20 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Sleep wake schedule disorder NOS

Excludes2 inherited from the categories above G47.20

Not part of this code, but both may be coded when both are present.

Written on G47: Sleep disorders

nightmares (F51.5)
nonorganic sleep disorders (F51.-)
sleep terrors (F51.4)
sleepwalking (F51.3)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G47.20 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56730Billing and Coding: Respiratory Therapy and Oximetry Services
A56923Billing and Coding: Outpatient Sleep Studies

Alphabetic index entries that lead here

Sleep-wake schedule disorder
Disorder›sleep›circadian rhythm

Code history

Unchanged in every release from FY2024 to FY2027.