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F51.01 Primary insomnia
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
CategoryCODABLE
F51.01
Primary insomnia
EXAMPLES
Idiopathic insomnia
- Chapter
- V · Mental, Behavioral and Neurodevelopmental disorders
- Section
- F50-F59
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.