NPI Atlas

M67.439 – Ganglion, unspecified wrist

ICD-10-CM 2027 diagnosis code · Disorders of synovium and tendon

Billable code

ICD-10-CM code M67.439

Code: M67.439 (claims format: M67439)
Description: Ganglion, unspecified wrist
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M65-M67 Disorders of synovium and tendon
Parent codes: M67 › M67.4 › M67.43

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M67 – Other disorders of synovium and tendon

Excludes1 (not coded here):

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

M67.4 – Ganglion

Applicable to:

Ganglion of joint or tendon (sheath)

Excludes1 (not coded here):

ganglion in yaws (A66.6)

Excludes2 (not included here):

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

Related codes in M67.43

M67.431 – Ganglion, right wristBillable
M67.432 – Ganglion, left wristBillable

Frequently asked questions

What is ICD-10 code M67.439?

M67.439 is the ICD-10-CM code for ganglion, unspecified wrist, in the block M65-M67 (Disorders of synovium and tendon).

Is M67.439 a billable code?

Yes. M67.439 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M67.439 belong to?

It belongs to category M67 – Other disorders of synovium and tendon.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.