E83.5 vs M11.2
E83.5 (Disorders of calcium metabolism) compared with M11.2 (Other chondrocalcinosis), 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. E83.5 carries an Excludes1 note covering M11.2: “chondrocalcinosis (M11.1-M11.2)”
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
| E83.5Disorders of calcium metabolism | M11.2Other chondrocalcinosis | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Disorders of calcium metabolism is a non-billable ICD-10-CM category code (E83.5). | Other chondrocalcinosis is a non-billable ICD-10-CM category code (M11.2). |
| Includes | — | Chondrocalcinosis NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources