M88.89 – Osteitis deformans of multiple sites
ICD-10-CM 2027 diagnosis code · Other osteopathies
ICD-10-CM code
M88.89
- Code
M88.89(claims format:M8889)- Description
- Osteitis deformans of multiple sites
- 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
- M86-M90 Other osteopathies
- Parent codes
- M88 › M88.8
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]
Excludes1 (not coded here):
- osteitis deformans in neoplastic disease (M90.6)
Block M86-M90
Excludes1 (not coded here):
- postprocedural osteopathies (M96.-)
Index terms for M88.89
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
- M88.85 – Osteitis deformans of thighHeader
- M88.86 – Osteitis deformans of lower legHeader
- M88.87 – Osteitis deformans of ankle and footHeader
- M88.88 – Osteitis deformans of other bonesBillable
Frequently asked questions
What is ICD-10 code M88.89?
M88.89 is the ICD-10-CM code for osteitis deformans of multiple sites, in the block M86-M90 (Other osteopathies).
Is M88.89 a billable code?
Yes. M88.89 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M88.89 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.