ICD-10-CM Diagnosis Code (2025)
Official Description for G47.1
Hypersomnia
Coding Notes & Guidelines for G47.1
Excludes2: Not Included Here
- alcohol-related hypersomnia (F10.182, F10.282, F10.982)
- drug-related hypersomnia (F11.182, F11.282, F11.982, F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982)
- hypersomnia due to a mental disorder (F51.13)
- hypersomnia not due to a substance or known physiological condition (F51.1-)
- primary hypersomnia (F51.11)
- sleep apnea (G47.3-)
Inclusion Terms
Hypersomnia NOS
Inclusion Terms
Idiopathic hypersomnia NOS
Inclusion Terms
- Kleine-Levin syndrome
- Menstrual related hypersomnia
Code Also
associated medical condition
Parent Code (Less Specific):
About ICD-10-CM Code G47.1 (Hypersomnia)
ICD-10-CM code G47.1 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM G47.1 became effective on October 1, 2024.
This page provides detailed information about G47.1 - Hypersomnia. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Hypersomnia.