ICD-10-CM 2027
ICD-10 code for recurrent hypersomnia
From the official ICD-10-CM alphabetic index entry “Hypersomnia (organic) › recurrent”. Page updated September 29, 2026.
About coding recurrent hypersomnia
The ICD-10-CM code for recurrent hypersomnia is G47.13 (Recurrent hypersomnia).
Within G47.1 (hypersomnia), G47.13 is specifically for recurrent hypersomnia. Related codes cover unspecified (G47.10), idiopathic hypersomnia with long sleep time (G47.11), idiopathic hypersomnia without long sleep time (G47.12), due to medical condition (G47.14) and other hypersomnia (G47.19).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 887 (Other Mental Disorder Diagnoses, relative weight 1.1139), in MDC 19 (Mental Diseases and Disorders), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about recurrent hypersomnia ICD-10 codes
What is the ICD-10 code for recurrent hypersomnia?
- G47.13 — Recurrent hypersomnia.
Is G47.13 billable?
- Yes. G47.13 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can G47.13 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict G47.13 as a principal diagnosis.
Is G47.13 a CC or MCC?
- No. G47.13 is neither a CC nor an MCC under MS-DRG v44.0.