F51.3 vs G47.61
F51.3 (Sleepwalking [somnambulism]) compared with G47.61 (Periodic limb movement disorder), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. F51.3 carries an Excludes2 note covering G47.61: “organic sleep disorders (G47.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. G47.61 carries an Excludes2 note covering F51.3: “nonorganic sleep disorders (F51.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. G47.61 carries an Excludes2 note covering F51.3: “sleepwalking (F51.3)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F51.3Sleepwalking [somnambulism] | G47.61Periodic limb movement disorder | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | G00-G99 — Diseases of the Nervous System (G00-G99) |
| Definition | Sleepwalking [somnambulism] is a billable ICD-10-CM diagnosis code (F51.3). | Periodic limb movement disorder is a billable ICD-10-CM diagnosis code (G47.61). |
| Includes | Non-rapid eye movement sleep arousal disorders, sleepwalking type | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources