Alphabetic Index · main term
Pattern, sleep-wake, irregular
Pattern, sleep-wake, irregular is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists G47.23 for this term: Circadian rhythm sleep disorder, irregular sleep wake type. It is a billable code. Confirm any code you find here in the Tabular List before you report it.
Code the Index gives
Circadian rhythm sleep disorder, irregular sleep wake type
Other Index terms that lead to G47.23
Different words, same code. 2 entries