Malignant neoplasm of trachea (C33) ICD-10-CM
The C33 code range covers malignant neoplasm of trachea with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
Codes in the C33 Range 1 codes · 1 billable
- C33 Malignant neoplasm of trachea
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the C33 range.
Malignant Tracheal Neoplasm
A primary or metastatic malignant neoplasm involving the trachea.
About the C33 Code Range
Cancer in the trachea, or windpipe, may start there or spread there from another site. C33 identifies the trachea within the group of malignant tumors of respiratory organs and organs inside the chest.
Questions About This Page
How many billable codes are in the C33 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the C33 range classify?
The range classifies malignant neoplasm of trachea. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.