N39.44 vs R35.81
N39.44 (Nocturnal enuresis) compared with R35.81 (Nocturnal polyuria), 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. N39.44 carries an Excludes2 note covering R35.81: “nocturnal polyuria (R35.81)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. R35.81 carries an Excludes2 note covering N39.44: “nocturnal enuresis (N39.44)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| N39.44Nocturnal enuresis | R35.81Nocturnal polyuria | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Nocturnal enuresis is a billable ICD-10-CM diagnosis code (N39.44). | Nocturnal polyuria is a billable ICD-10-CM diagnosis code (R35.81). |
| Code first | — | , if applicable, any causal condition, such as: enlarged prostate (N40.1) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources