M88: Osteitis deformans [Paget's disease of bone]
Codes under M88 (Osteitis deformans [Paget's disease of bone]). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| M88.0 | Osteitis deformans of skull | ✓ |
| M88.0 | Osteitis deformans of skull | ✓ |
| M88.1 | Osteitis deformans of vertebrae | ✓ |
| M88.1 | Osteitis deformans of vertebrae | ✓ |
| M88.8 | Osteitis deformans of other bones | — |
| M88.8 | Osteitis deformans of other bones | — |
| M88.9 | Osteitis deformans of unspecified bone | ✓ |
| M88.9 | Osteitis deformans of unspecified bone | ✓ |
| M88.81 | Osteitis deformans of shoulder | — |
| M88.81 | Osteitis deformans of shoulder | — |
| M88.82 | Osteitis deformans of upper arm | — |
| M88.82 | Osteitis deformans of upper arm | — |
| M88.83 | Osteitis deformans of forearm | — |
| M88.83 | Osteitis deformans of forearm | — |
| M88.84 | Osteitis deformans of hand | — |
| M88.84 | Osteitis deformans of hand | — |
| M88.85 | Osteitis deformans of thigh | — |
| M88.85 | Osteitis deformans of thigh | — |
| M88.86 | Osteitis deformans of lower leg | — |
| M88.86 | Osteitis deformans of lower leg | — |
| M88.87 | Osteitis deformans of ankle and foot | — |
| M88.87 | Osteitis deformans of ankle and foot | — |
| M88.88 | Osteitis deformans of other bones | ✓ |
| M88.88 | Osteitis deformans of other bones | ✓ |
| M88.89 | Osteitis deformans of multiple sites | ✓ |
| M88.89 | Osteitis deformans of multiple sites | ✓ |
| M88.811 | Osteitis deformans of right shoulder | ✓ |
| M88.811 | Osteitis deformans of right shoulder | ✓ |
| M88.812 | Osteitis deformans of left shoulder | ✓ |
| M88.812 | Osteitis deformans of left shoulder | ✓ |
| M88.819 | Osteitis deformans of unspecified shoulder | ✓ |
| M88.819 | Osteitis deformans of unspecified shoulder | ✓ |
| M88.821 | Osteitis deformans of right upper arm | ✓ |
| M88.821 | Osteitis deformans of right upper arm | ✓ |
| M88.822 | Osteitis deformans of left upper arm | ✓ |
| M88.822 | Osteitis deformans of left upper arm | ✓ |
| M88.829 | Osteitis deformans of unspecified upper arm | ✓ |
| M88.829 | Osteitis deformans of unspecified upper arm | ✓ |
| M88.831 | Osteitis deformans of right forearm | ✓ |
| M88.831 | Osteitis deformans of right forearm | ✓ |
| M88.832 | Osteitis deformans of left forearm | ✓ |
| M88.832 | Osteitis deformans of left forearm | ✓ |
| M88.839 | Osteitis deformans of unspecified forearm | ✓ |
| M88.839 | Osteitis deformans of unspecified forearm | ✓ |
| M88.841 | Osteitis deformans of right hand | ✓ |
| M88.841 | Osteitis deformans of right hand | ✓ |
| M88.842 | Osteitis deformans of left hand | ✓ |
| M88.842 | Osteitis deformans of left hand | ✓ |
| M88.849 | Osteitis deformans of unspecified hand | ✓ |
| M88.849 | Osteitis deformans of unspecified hand | ✓ |
| M88.851 | Osteitis deformans of right thigh | ✓ |
| M88.851 | Osteitis deformans of right thigh | ✓ |
| M88.852 | Osteitis deformans of left thigh | ✓ |
| M88.852 | Osteitis deformans of left thigh | ✓ |
| M88.859 | Osteitis deformans of unspecified thigh | ✓ |
| M88.859 | Osteitis deformans of unspecified thigh | ✓ |
| M88.861 | Osteitis deformans of right lower leg | ✓ |
| M88.861 | Osteitis deformans of right lower leg | ✓ |
| M88.862 | Osteitis deformans of left lower leg | ✓ |
| M88.862 | Osteitis deformans of left lower leg | ✓ |
| M88.869 | Osteitis deformans of unspecified lower leg | ✓ |
| M88.869 | Osteitis deformans of unspecified lower leg | ✓ |
| M88.871 | Osteitis deformans of right ankle and foot | ✓ |
| M88.871 | Osteitis deformans of right ankle and foot | ✓ |
| M88.872 | Osteitis deformans of left ankle and foot | ✓ |
| M88.872 | Osteitis deformans of left ankle and foot | ✓ |
| M88.879 | Osteitis deformans of unspecified ankle and foot | ✓ |
| M88.879 | Osteitis deformans of unspecified ankle and foot | ✓ |
Frequently asked questions
What is ICD-10-CM code M88?
M88 is an ICD-10-CM category covering Osteitis deformans [Paget's disease of bone]. It contains 68 more specific diagnosis codes, 52 of which are billable.
Is M88 a billable code?
No — M88 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example M88.0 — Osteitis deformans of skull). 52 of the 68 codes under M88 are billable.
What codes fall under M88?
M88 includes M88.0, M88.0, M88.1, M88.1, M88.8, plus 63 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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