Diagnosis Code

F51.19 OTH HYPERSOMNIA NOT DUE TO A SUBSTANCE OR KNOWN PHYSIOL COND


Code Information

Diagnosis Code: F51.19

Short Description: Oth hypersomnia not due to a substance or known physiol cond

Long Description: Other hypersomnia not due to a substance or known physiological condition

The code F51.19 is VALID for claim submission

Code Classification:

  • Mental and behavioural disorders (F01–F99)
    • Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
      • Sleep disorders not due to a substance or known physiol cond (F51)
        • F51.19 Oth hypersomnia not due to a substance or known physiol cond

Code Version: 2022 ICD-10-CM


Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
F51.19 Right Arrow 307.43 Transient hypersomnia
307.44 Persistent hypersomnia

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
F51 Sleep disorders not due to a substance or known physiological condition
F51.0 Insomnia not due to a substance or known physiological condition
F51.01 Primary insomnia
F51.02 Adjustment insomnia
F51.03 Paradoxical insomnia
F51.04 Psychophysiologic insomnia
F51.05 Insomnia due to other mental disorder
F51.09 Other insomnia not due to a substance or known physiological condition
F51.1 Hypersomnia not due to a substance or known physiological condition
F51.11 Primary hypersomnia
F51.12 Insufficient sleep syndrome
F51.13 Hypersomnia due to other mental disorder
F51.3 Sleepwalking [somnambulism]
F51.4 Sleep terrors [night terrors]
F51.5 Nightmare disorder
F51.8 Other sleep disorders not due to a substance or known physiological condition
F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified


This page was last updated on: 10/1/2023