M08.9A vs M14.8
M08.9A (Juvenile arthritis, unspecified, other specified site) compared with M14.8 (Arthropathies in other specified diseases classified elsewhere), 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. M08.9A carries an Excludes1 note covering M14.8: “arthropathy in Whipple's disease (M14.8)”
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
| M08.9AJuvenile arthritis, unspecified, other specified site | M14.8Arthropathies in other specified diseases classified elsewhere | |
|---|---|---|
| Billing status | Billable | 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 | Juvenile arthritis, unspecified, other specified site is a billable ICD-10-CM diagnosis code (M08.9A). | Arthropathies in other specified diseases classified elsewhere is a non-billable ICD-10-CM category code (M14.8). |
| Code first | — | underlying disease, such as: amyloidosis (E85.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources