M71.30 Other bursal cyst, unspecified site

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)

• 727.40 Synovial cyst, unspecified (approximate)

Code annotations containing back-references to M71.30

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)")

Diagnosis Index entries for M71.30

• Cyst (colloid) (mucous) (simple) (retention) › bursa, bursal NEC

Nearby codes

• 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
• M71.22 Synovial cyst of popliteal space [Baker], left knee
• M71.3 Other bursal cyst
• M71.30 Other bursal cyst, unspecified site (this code)
• M71.31 Other bursal cyst, shoulder
• M71.311 Other bursal cyst, right shoulder
• M71.312 Other bursal cyst, left shoulder
• M71.319 Other bursal cyst, unspecified shoulder
• M71.32 Other bursal cyst, elbow