M88.85 – Osteitis deformans of thigh
ICD-10-CM 2027 diagnosis code · Other osteopathies
- Code
M88.85(claims format:M8885)- Description
- Osteitis deformans of thigh
- 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
- M88 › M88.8
Billable codes under M88.85
M88.85 is a header code and cannot be used on claims. Choose the most specific code:
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M88 – Osteitis deformans [Paget's disease of bone]
- osteitis deformans in neoplastic disease (M90.6)
Block M86-M90
- postprocedural osteopathies (M96.-)
Index terms for M88.85
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M88.8
- M88.81 – Osteitis deformans of shoulderHeader
- M88.82 – Osteitis deformans of upper armHeader
- M88.83 – Osteitis deformans of forearmHeader
- M88.84 – Osteitis deformans of handHeader
- M88.86 – Osteitis deformans of lower legHeader
- M88.87 – Osteitis deformans of ankle and footHeader
- M88.88 – Osteitis deformans of other bonesBillable
- M88.89 – Osteitis deformans of multiple sitesBillable
Frequently asked questions
What is ICD-10 code M88.85?
M88.85 is the ICD-10-CM code for osteitis deformans of thigh, in the block M86-M90 (Other osteopathies).
Is M88.85 a billable code?
No. M88.85 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M88.85 belong to?
It belongs to category M88 – Osteitis deformans [Paget's disease 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.