E78.81 vs M14.649
E78.81 (Lipoid dermatoarthritis) compared with M14.649 (Charcôt's joint, unspecified hand), 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. M14.649 carries an Excludes1 note covering E78.81: “lipoid dermatoarthritis (E78.81)”
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
| E78.81Lipoid dermatoarthritis | M14.649Charcôt's joint, unspecified hand | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Lipoid dermatoarthritis is a billable ICD-10-CM diagnosis code (E78.81). | Charcôt's joint, unspecified hand is a billable ICD-10-CM diagnosis code (M14.649). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources