M89.4 – Other hypertrophic osteoarthropathy
ICD-10-CM 2027 diagnosis code · Other osteopathies
ICD-10-CM code
M89.4
- Code
M89.4(claims format:M894)- Description
- Other hypertrophic osteoarthropathy
- Billable
- No – use a more specific code below
- 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
- M86-M90 Other osteopathies
- Parent codes
- M89
Billable codes under M89.4
M89.4 is a header code and cannot be used on claims. Choose the most specific code:
- M89.40 – Other hypertrophic osteoarthropathy, unspecified siteBillable
- M89.41 – Other hypertrophic osteoarthropathy, shoulderHeader (more codes below)
- M89.42 – Other hypertrophic osteoarthropathy, upper armHeader (more codes below)
- M89.43 – Other hypertrophic osteoarthropathy, forearmHeader (more codes below)
- M89.44 – Other hypertrophic osteoarthropathy, handHeader (more codes below)
- M89.45 – Other hypertrophic osteoarthropathy, thighHeader (more codes below)
- M89.46 – Other hypertrophic osteoarthropathy, lower legHeader (more codes below)
- M89.47 – Other hypertrophic osteoarthropathy, ankle and footHeader (more codes below)
- M89.48 – Other hypertrophic osteoarthropathy, other siteBillable
- M89.49 – Other hypertrophic osteoarthropathy, multiple sitesBillable
Notes for M89.4
Applicable to:
- Marie-Bamberger disease
- Pachydermoperiostosis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block M86-M90
Excludes1 (not coded here):
- postprocedural osteopathies (M96.-)
Related codes in M89
- M89.0 – AlgoneurodystrophyHeader
- M89.1 – Physeal arrestHeader
- M89.2 – Other disorders of bone development and growthHeader
- M89.3 – Hypertrophy of boneHeader
- M89.5 – OsteolysisHeader
- M89.6 – Osteopathy after poliomyelitisHeader
- M89.7 – Major osseous defectHeader
- M89.8 – Other specified disorders of boneHeader
- M89.9 – Disorder of bone, unspecifiedBillable
Frequently asked questions
What is ICD-10 code M89.4?
M89.4 is the ICD-10-CM code for other hypertrophic osteoarthropathy, in the block M86-M90 (Other osteopathies).
Is M89.4 a billable code?
No. M89.4 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M89.4 belong to?
It belongs to category M89 – Other disorders of bone.
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.