C30.0 vs C49
C30.0 (Malignant neoplasm of nasal cavity) compared with C49 (Malignant neoplasm of other connective and soft tissue), 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. C49 carries an Excludes1 note covering C30.0: “nose (C30.0)”
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
| C30.0Malignant neoplasm of nasal cavity | C49Malignant neoplasm of other connective and soft tissue | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Malignant neoplasm of nasal cavity is a billable ICD-10-CM diagnosis code (C30.0). | Malignant neoplasm of other connective and soft tissue is a non-billable ICD-10-CM category code (C49). |
| Includes | malignant neoplasm of middle ear Malignant neoplasm of cartilage of nose Malignant neoplasm of nasal concha Malignant neoplasm of internal nose | 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