M67.40 Ganglion, unspecified site

Billable ICD-10-CM code, FY2026.

Applies from M67 Other disorders of synovium and tendon

Excludes1 (never code together)

• palmar fascial fibromatosis [Dupuytren] (M72.0)
• tendinitis NOS (M77.9-)
• xanthomatosis localized to tendons (E78.2)

Applies from M67.4 Ganglion

Applicable to

• Ganglion of joint or tendon (sheath)

Excludes1 (never code together)

• ganglion in yaws (A66.6)

Excludes2 (not included here)

• cyst of bursa (M71.2-M71.3)
• cyst of synovium (M71.2-M71.3)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 727.43 Ganglion, unspecified (approximate)

Code annotations containing back-references to M67.40

Back-references to M67.4

• Type 2 Excludes: M24 Other specific joint derangements ("ganglion (M67.4)")

Diagnosis Index entries for M67.40

• Ganglion (compound) (diffuse) (joint) (tendon (sheath))

Nearby codes

• M67.372 Transient synovitis, left ankle and foot
• M67.379 Transient synovitis, unspecified ankle and foot
• M67.38 Transient synovitis, other site
• M67.39 Transient synovitis, multiple sites
• M67.4 Ganglion
• M67.40 Ganglion, unspecified site (this code)
• M67.41 Ganglion, shoulder
• M67.411 Ganglion, right shoulder
• M67.412 Ganglion, left shoulder
• M67.419 Ganglion, unspecified shoulder
• M67.42 Ganglion, elbow