G47.23

G47.23: Circadian rhythm sleep disorder, irregular sleep wake type

Billable / specific codeICD-10-CM

G47.23 is a billable, specific ICD-10-CM code for circadian rhythm sleep disorder, irregular sleep wake type. It is valid for submission on a claim.

Check G47.23 with the rest of the claim: free scrubber

Inclusion terms

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

Irregular sleep-wake pattern

Excludes2 inherited from the categories above G47.23

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

G47.23 is named in 4 Medicare coverage policies: 4 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
A57130Billing and Coding: Psychiatric Codes
A57326Billing and Coding: Electrocardiograms

Alphabetic index entries that lead here

Pattern, sleep-wake, irregular
Irregular, irregularity›sleep-wake pattern(rhythm)
Disorder›sleep›circadian rhythm›irregular sleep wake type

Code history

Unchanged in every release from FY2024 to FY2027.