M71.461 Calcium deposit in bursa, right knee

Billable ICD-10-CM code, FY2026.

Applies from M71 Other bursopathies

Excludes1 (never code together)

• bunion (M20.1)
• bursitis related to use, overuse or pressure (M70.-)
• enthesopathies (M76-M77)

Applies from M71.4 Calcium deposit in bursa

Excludes2 (not included here)

• calcium deposit in bursa of shoulder (M75.3)

MS-DRG index

Defines the logic of DRG(s) 557-558 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 727.82 Calcium deposits in tendon and bursa (approximate)

Code annotations containing back-references to M71.461

Back-references to M71.4

• Type 2 Excludes: M25 Other joint disorder, not elsewhere classified ("calcification of bursa (M71.4-)")

Nearby codes

• M71.45 Calcium deposit in bursa, hip
• M71.451 Calcium deposit in bursa, right hip
• M71.452 Calcium deposit in bursa, left hip
• M71.459 Calcium deposit in bursa, unspecified hip
• M71.46 Calcium deposit in bursa, knee
• M71.461 Calcium deposit in bursa, right knee (this code)
• M71.462 Calcium deposit in bursa, left knee
• M71.469 Calcium deposit in bursa, unspecified knee
• M71.47 Calcium deposit in bursa, ankle and foot
• M71.471 Calcium deposit in bursa, right ankle and foot
• M71.472 Calcium deposit in bursa, left ankle and foot