D49.511 (Neoplasm of unspecified behavior of right kidney) compared with D49.512 (Neoplasm of unspecified behavior of left kidney), from the official CMS tabular data. D49.511 and D49.512 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. D49.511 and D49.512 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| D49.511Neoplasm of unspecified behavior of right kidney | D49.512Neoplasm of unspecified behavior of left kidney | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Neoplasm of unspecified behavior of right kidney is a billable ICD-10-CM diagnosis code (D49.511). | Neoplasm of unspecified behavior of left kidney is a billable ICD-10-CM diagnosis code (D49.512). |
| Includes | 'growth' NOS neoplasm NOS new growth NOS tumor NOS | 'growth' NOS neoplasm NOS new growth NOS tumor NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources