F51.3
Billable codeSleepwalking [somnambulism]
The ICD-10 code for sleepwalking [somnambulism] is F51.3.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Non-rapid eye movement sleep arousal disorders, sleepwalking type
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- F51.0Insomnia not due to a substance or known physiological conditionnon-billable header
- F51.1Hypersomnia not due to a substance or known physiological conditionnon-billable header
- F51.4Sleep terrors [night terrors]
- F51.5Nightmare disorder
- F51.8Other sleep disorders not due to a substance or known physiological condition
- F51.9Sleep disorder not due to a substance or known physiological condition, unspecified
- F51.3Sleepwalking [somnambulism]
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 30746Approximate match
Associated MS-DRGs
F51.3 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.