M88.0 vs M88.88
M88.0 (Osteitis deformans of skull) compared with M88.88 (Osteitis deformans of other bones), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. M88.88 carries an Excludes2 note covering M88.0: “osteitis deformans of skull (M88.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| M88.0Osteitis deformans of skull | M88.88Osteitis deformans of other bones | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Osteitis deformans of skull is a billable ICD-10-CM diagnosis code (M88.0). | Osteitis deformans of other bones is a billable ICD-10-CM diagnosis code (M88.88). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources