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F51.0 Insomnia not due to a substance or known physiological condition
BackF51Sleep disorders not due to a substance or known physiological conditionCategory7 →F51.0Insomnia not due to a substance or known physiological conditionCategory6 →F51.01Primary insomniaCategoryF51.02Adjustment insomniaCategoryF51.03Paradoxical insomniaCategoryF51.04Psychophysiologic insomniaCategoryF51.05Insomnia due to other mental disorderCategoryF51.09Other insomnia not due to a substance or known physiological conditionCategoryF51.1Hypersomnia not due to a substance or known physiological conditionCategory4 →F51.11Primary hypersomniaCategoryF51.12Insufficient sleep syndromeCategoryF51.13Hypersomnia due to other mental disorderCategoryF51.19Other hypersomnia not due to a substance or known physiological conditionCategoryF51.3Sleepwalking [somnambulism]CategoryF51.4Sleep terrors [night terrors]CategoryF51.5Nightmare disorderCategoryF51.8Other sleep disorders not due to a substance or known physiological conditionCategoryF51.9Sleep disorder not due to a substance or known physiological condition, unspecifiedCategory
Category
F51.0
Insomnia not due to a substance or known physiological condition
EXCLUDES
Excludes2: 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)
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)
- Chapter
- V · Mental, Behavioral and Neurodevelopmental disorders
- Section
- F50-F59
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.