F51.4 vs G47.51
F51.4 (Sleep terrors [night terrors]) compared with G47.51 (Confusional arousals), 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. F51.4 carries an Excludes2 note covering G47.51: “organic sleep disorders (G47.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. G47.51 carries an Excludes2 note covering F51.4: “nonorganic sleep disorders (F51.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. G47.51 carries an Excludes2 note covering F51.4: “sleep terrors (F51.4)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F51.4Sleep terrors [night terrors] | G47.51Confusional arousals | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | G00-G99 — Diseases of the Nervous System (G00-G99) |
| Definition | Sleep terrors [night terrors] is a billable ICD-10-CM diagnosis code (F51.4). | Confusional arousals is a billable ICD-10-CM diagnosis code (G47.51). |
| Includes | Non-rapid eye movement sleep arousal disorders, sleep terror type | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources