M71.379 Other bursal cyst, 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 M71.3 Other bursal cyst

Applicable to

• Synovial cyst NOS

Excludes1 (never code together)

• synovial cyst with rupture (M66.1-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 727.49 Other ganglion and cyst of synovium, tendon, and bursa (approximate)

Code annotations containing back-references to M71.379

Back-references to M71.3

• Type 2 Excludes: M67.4 Ganglion ("cyst of bursa (M71.2-M71.3)")
• Type 2 Excludes: M67.4 Ganglion ("cyst of synovium (M71.2-M71.3)")

Nearby codes

• M71.352 Other bursal cyst, left hip
• M71.359 Other bursal cyst, unspecified hip
• M71.37 Other bursal cyst, ankle and foot
• M71.371 Other bursal cyst, right ankle and foot
• M71.372 Other bursal cyst, left ankle and foot
• M71.379 Other bursal cyst, unspecified ankle and foot (this code)
• M71.38 Other bursal cyst, other site
• M71.39 Other bursal cyst, multiple sites
• M71.4 Calcium deposit in bursa
• M71.40 Calcium deposit in bursa, unspecified site
• M71.42 Calcium deposit in bursa, elbow