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M67.40 — Ganglion, unspecified site
M67.40
What this code means
A ganglion is a benign fluid-filled swelling arising from a joint or tendon sheath, often at the wrist; site not specified.
Also called: ganglion, ganglion cyst.
When this code is used
Used for ganglion, unspecified site.
Where it sits in ICD-10-CM
Code M67.40 belongs to Chapter 13: Diseases of the musculoskeletal system and connective tissue, which covers codes M00–M99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Watch: related videos
Frequently asked questions
What is ICD-10-CM code M67.40?
M67.40 is the ICD-10-CM diagnosis code for “Ganglion, unspecified site”. A ganglion is a benign fluid-filled swelling arising from a joint or tendon sheath, often at the wrist; site not specified.
When is code M67.40 used?
Used for ganglion, unspecified site. It belongs to Chapter 13 of ICD-10-CM (Diseases of the musculoskeletal system and connective tissue).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.