C33 ICD-10-CM Code: Malignant neoplasm of trachea
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
C33Malignant neoplasm of trachea
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where C33 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
- 3
Category C33
Malignant neoplasm of trachea
- 4
Code C33
Malignant neoplasm of trachea
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for C33.
Code first
No “code first” instruction is listed for C33.
Use additional code
- code to identify:
- exposure to environmental tobacco smoke (Z77.22)
- exposure to tobacco smoke in the perinatal period (P96.81)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C33.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C33.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code C33 mean?
C33 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of trachea.”
Is C33 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, C33 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is C33 located in ICD-10-CM?
C33 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of respiratory and intrathoracic organs (C30-C39) (C30–C39), under category C33, Malignant neoplasm of trachea.
What coding notes are listed for C33?
No inclusion terms are listed for C33 in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0). No Excludes1 note is listed. No Excludes2 note is listed.
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