ICD-10-CM F51.0: Insomnia not due to a substance or known physiological condition

ICD-10-CM Diagnosis Code (2025)

Official Description for F51.0

Insomnia not due to a substance or known physiological condition

Coding Notes & Guidelines for F51.0

Excludes2: Not Included Here
  • alcohol related insomnia (F10.182, F10.282, F10.982)
  • drug-related insomnia (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)
  • insomnia NOS (G47.0-)
  • insomnia due to known physiological condition (G47.0-)
  • organic insomnia (G47.0-)
  • sleep deprivation (Z72.820)
Inclusion Terms

Idiopathic insomnia

Code Also

associated mental disorder

Parent Code (Less Specific):

About ICD-10-CM Code F51.0 (Insomnia not due to a substance or known physiological condition)

ICD-10-CM code F51.0 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 F51.0 became effective on October 1, 2024.

This page provides detailed information about F51.0 - Insomnia not due to a substance or known physiological condition. 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 Insomnia not due to a substance or known physiological condition.