M71.179 Other infective bursitis, unspecified ankle and foot

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 M71.1 Other infective bursitis

Use additional code

• code (B95.-, B96.-) to identify causative organism

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 727.3 Other bursitis (approximate)

Nearby codes

• M71.162 Other infective bursitis, left knee
• M71.169 Other infective bursitis, unspecified knee
• M71.17 Other infective bursitis, ankle and foot
• M71.171 Other infective bursitis, right ankle and foot
• M71.172 Other infective bursitis, left ankle and foot
• M71.179 Other infective bursitis, unspecified ankle and foot (this code)
• M71.18 Other infective bursitis, other site
• M71.19 Other infective bursitis, multiple sites
• M71.2 Synovial cyst of popliteal space [Baker]
• M71.20 Synovial cyst of popliteal space [Baker], unspecified knee
• M71.21 Synovial cyst of popliteal space [Baker], right knee