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Diagnosis Code

F51.01 PRIMARY INSOMNIA


Code Information

Diagnosis Code: F51.01

Short Description: Primary insomnia

Long Description: Primary insomnia

The code F51.01 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)
        • F51.01 Primary insomnia

Code Version: 2022 ICD-10-CM


Synonyms

  • Hypersomnia of non-organic origin
  • Nonorganic insomnia
  • Non-organic sleep disorder
  • Non-organic sleep disorder
  • Primary insomnia

References to Index of Diseases and Injuries

The code F51.01 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Idiopathic insomnia

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
F51.01 Right Arrow 307.42 Persistent insomnia

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
F51.02 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
F51.19 Other hypersomnia not due to a substance or known physiological condition
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

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