C41 vs C49.0
C41 (Malignant neoplasm of bone and articular cartilage of other and unspecified sites) compared with C49.0 (Malignant neoplasm of connective and soft tissue of head, face and neck), 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. C41 carries an Excludes1 note covering C49.0: “malignant neoplasm of cartilage of ear (C49.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. C41 carries an Excludes1 note covering C49.0: “malignant neoplasm of cartilage of eyelid (C49.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. C41 carries an Excludes1 note covering C49.0: “malignant neoplasm of synovia (C49.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. C49.0 carries an Excludes1 note covering C41: “articular (C40-C41)”
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
| C41Malignant neoplasm of bone and articular cartilage of other and unspecified sites | C49.0Malignant neoplasm of connective and soft tissue of head, face and neck | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Malignant neoplasm of bone and articular cartilage of other and unspecified sites is a non-billable ICD-10-CM category code (C41). | Malignant neoplasm of connective and soft tissue of head, face and neck is a billable ICD-10-CM diagnosis code (C49.0). |
| Includes | malignant neoplasm of cartilage (articular) (joint) malignant neoplasm of periosteum | malignant neoplasm of blood vessel malignant neoplasm of bursa malignant neoplasm of cartilage malignant neoplasm of fascia |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources