C33 MALIGNANT NEOPLASM OF TRACHEA

Code Information

Diagnosis Code: C33
Short Description: Malignant neoplasm of trachea
Long Description: Malignant neoplasm of trachea
Code Version: 2025 ICD-10-CM

The code C33 is VALID for claim submission

Code Classification

Neoplasms (C00–D49)
- Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
  - Malignant neoplasm of trachea (C33)

Synonyms

Acinar cell carcinoma of trachea
Adenocarcinoma of trachea
Adenoid cystic carcinoma of trachea
Adenosquamous carcinoma of trachea
Basaloid squamous cell carcinoma of trachea
Clear cell adenocarcinoma of trachea
Clear cell squamous cell carcinoma of trachea
Giant cell carcinoma of trachea
Lymphoepithelial carcinoma of trachea
Malignant neoplasm of carina of trachea
Malignant neoplasm of cartilage of trachea
Malignant neoplasm of mucosa of trachea
Malignant neoplasm of trachea
Mucinous adenocarcinoma of trachea
Mucinous cystadenocarcinoma of trachea
Myoepithelial carcinoma
Myoepithelial carcinoma
Myoepithelial carcinoma of trachea
Neoplasm of carina
Neoplasm of lower respiratory tract and mediastinum
Papillary adenocarcinoma of trachea
Papillary squamous cell carcinoma of trachea
Primary acantholytic squamous cell carcinoma
Primary acinar cell carcinoma of trachea
Primary adenocarcinoma of trachea
Primary adenoid cystic carcinoma of trachea
Primary adenosquamous carcinoma of trachea
Primary adenosquamous cell carcinoma
Primary basaloid squamous cell carcinoma of trachea
Primary clear cell adenocarcinoma of trachea
Primary clear cell squamous cell carcinoma of trachea
Primary giant cell carcinoma of trachea
Primary lymphoepithelial carcinoma
Primary lymphoepithelial carcinoma of trachea
Primary malignant epithelial neoplasm of trachea
Primary malignant neoplasm of carina
Primary malignant neoplasm of trachea
Primary mucinous adenocarcinoma of trachea
Primary mucinous cystadenocarcinoma of trachea
Primary mucoepidermoid carcinoma of trachea
Primary myoepithelial carcinoma of trachea
Primary papillary adenocarcinoma of trachea
Primary papillary squamous cell carcinoma of trachea
Primary salivary gland type carcinoma of trachea
Primary signet ring cell carcinoma of trachea
Primary solid carcinoma of trachea
Primary spindle cell carcinoma of trachea
Primary spindle cell squamous cell carcinoma
Primary squamous cell adenoid carcinoma of trachea
Primary squamous cell carcinoma of trachea
Primary undifferentiated carcinoma of trachea
Primary verrucous carcinoma of trachea
Primary verrucous squamous cell carcinoma
Signet ring cell carcinoma of trachea
Solid carcinoma of trachea
Spindle cell carcinoma of trachea
Squamous cell adenoid carcinoma of trachea
Squamous cell carcinoma of trachea
Undifferentiated carcinoma of trachea
Verrucous carcinoma of trachea

Diagnostic Related Group(s)

The code C33 is grouped in the following Diagnostic Related Group(s) MS-DRG V43.0

Respiratory Neoplasms With Mcc (180)
Respiratory Neoplasms With Cc (181)
Respiratory Neoplasms Without Cc/mcc (182)

References to Index of Diseases and Injuries

The code C33 has the following ICD-10-CM references to the Index of Diseases and Injuries

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
C33		162.0	Malignant neo trachea

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

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This page was last updated on: 10/1/2025

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