M89.8X – Other specified disorders of bone
ICD-10-CM 2027 diagnosis code · Other osteopathies
ICD-10-CM code
M89.8X
- Code
M89.8X(claims format:M898X)- Description
- Other specified disorders of bone
- 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 › M89.8
Billable codes under M89.8X
M89.8X is a header code and cannot be used on claims. Choose the most specific code:
- M89.8X0 – Other specified disorders of bone, multiple sitesBillable
- M89.8X1 – Other specified disorders of bone, shoulderBillable
- M89.8X2 – Other specified disorders of bone, upper armBillable
- M89.8X3 – Other specified disorders of bone, forearmBillable
- M89.8X4 – Other specified disorders of bone, handBillable
- M89.8X5 – Other specified disorders of bone, thighBillable
- M89.8X6 – Other specified disorders of bone, lower legBillable
- M89.8X7 – Other specified disorders of bone, ankle and footBillable
- M89.8X8 – Other specified disorders of bone, other siteBillable
- M89.8X9 – Other specified disorders of bone, unspecified siteBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M89.8 – Other specified disorders of bone
Applicable to:
- Infantile cortical hyperostoses
- Post-traumatic subperiosteal ossification
Block M86-M90
Excludes1 (not coded here):
- postprocedural osteopathies (M96.-)
Index terms for M89.8X
Entries in the ICD-10-CM alphabetic index that lead to this code:
Frequently asked questions
What is ICD-10 code M89.8X?
M89.8X is the ICD-10-CM code for other specified disorders of bone, in the block M86-M90 (Other osteopathies).
Is M89.8X a billable code?
No. M89.8X is a header code with more specific child codes; report one of the billable codes listed above.
What category does M89.8X 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.