M46.4 vs M50.82
M46.4 (Discitis, unspecified) compared with M50.82 (Other cervical disc disorders, mid-cervical region), 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. M50.82 carries an Excludes1 note covering M46.4: “discitis NOS (M46.4-)”
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
| M46.4Discitis, unspecified | M50.82Other cervical disc disorders, mid-cervical region | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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 | Discitis, unspecified is a non-billable ICD-10-CM category code (M46.4). | Other cervical disc disorders, mid-cervical region is a non-billable ICD-10-CM category code (M50.82). |
| Includes | — | cervicothoracic disc disorders with cervicalgia cervicothoracic disc disorders |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources