F51.3
Sleepwalking [somnambulism]
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · F51.3
Synonyms
Non-rapid eye movement sleep arousal disorders, sleepwalking type
Inherited from F51Sleep disorders not due to a substance or known physiol cond
Excludes 2
organic sleep disorders (G47.-)
Inherited from chapter 5Mental, Behavioral and Neurodevelopmental disorders
Includes
disorders of psychological development
Excludes 2
symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Official Guidelines for F51.3
FY 2026 ›Find F51.3 in the alphabetic index
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