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F51.01 - Primary insomnia


The ICD 10 Code for Primary insomnia is listed as F51.01.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: F51.01
Description: Primary insomnia
  • Idiopathic insomnia
Diagnostic Related Groups
(MS-DRG v30.0)
887 - Other Mental Disorder Diagnoses
Chapter Mental and behavioral disorders (F01-F99)
Block Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
Parent F51.0 - Insomnia not due to a substance or known physiological condition
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 307.42 - Persistent disorder of initiating or maintaining sleep (approximate)
ICD-10-CM Siblings (same level / similar specificity) of F51.01:
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