N21.0 vs N32
N21.0 (Calculus in bladder) compared with N32 (Other disorders of bladder), 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. N32 carries an Excludes2 note covering N21.0: “calculus of bladder (N21.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| N21.0Calculus in bladder | N32Other disorders of bladder | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Calculus in bladder is a billable ICD-10-CM diagnosis code (N21.0). | Other disorders of bladder is a non-billable ICD-10-CM category code (N32). |
| Includes | calculus of lower urinary tract with cystitis and urethritis Calculus in diverticulum of bladder Urinary bladder stone | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources