M71.461 (Calcium deposit in bursa, right knee) compared with M71.462 (Calcium deposit in bursa, left knee), from the official CMS tabular data. M71.461 and M71.462 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. M71.461 and M71.462 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.
| M71.461Calcium deposit in bursa, right knee | M71.462Calcium deposit in bursa, left knee | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Calcium deposit in bursa, right knee is a billable ICD-10-CM diagnosis code (M71.461). | Calcium deposit in bursa, left knee is a billable ICD-10-CM diagnosis code (M71.462). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources