M48.44XS vs M84.58
M48.44XS (Fatigue fracture of vertebra, thoracic region, sequela of fracture) compared with M84.58 (Pathological fracture in neoplastic disease, other specified site), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. M48.44XS carries an Excludes1 note covering M84.58: “pathological fracture of vertebra due to neoplasm (M84.58)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| M48.44XSFatigue fracture of vertebra, thoracic region, sequela of fracture | M84.58Pathological fracture in neoplastic disease, other specified site | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: M84.58XA, M84.58XD, M84.58XG, M84.58XK, M84.58XP |
| 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 | Fatigue fracture of vertebra, thoracic region, sequela of fracture is a billable ICD-10-CM diagnosis code (M48.44S). | Pathological fracture in neoplastic disease, other specified site is a non-billable ICD-10-CM category code (M84.58). |
| 7th character | The appropriate 7th character is to be added to each code from subcategory M48.4: | The appropriate 7th character is to be added to each code from subcategory M84.5: |
| Includes | — | Pathological fracture in neoplastic disease, vertebrae |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources