C32.3 vs C49.A1
C32.3 (Malignant neoplasm of laryngeal cartilage) compared with C49.A1 (Gastrointestinal stromal tumor of esophagus), 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.A1 carries an Excludes1 note covering C32.3: “larynx (C32.3)”
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
| C32.3Malignant neoplasm of laryngeal cartilage | C49.A1Gastrointestinal stromal tumor of esophagus | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Malignant neoplasm of laryngeal cartilage is a billable ICD-10-CM diagnosis code (C32.3). | Gastrointestinal stromal tumor of esophagus is a billable ICD-10-CM diagnosis code (C49.A1). |
| Includes | malignant neoplasm of middle ear | malignant neoplasm of blood vessel malignant neoplasm of bursa malignant neoplasm of cartilage malignant neoplasm of fascia |
| Use additional code | code to identify: alcohol abuse and dependence (F10.-) exposure to environmental tobacco smoke (Z77.22) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources