C33

C33: Malignant neoplasm of trachea

Billable / specific codeICD-10-CM

C33 is a billable, specific ICD-10-CM code for malignant neoplasm of trachea. It is valid for submission on a claim.

Check C33 with the rest of the claim: free scrubber

Use additional code

Add a secondary code to capture the detail described below.

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)

Risk adjustment

C33 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 20 Lung and Other Severe Cancers1.136 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

C33 is named in 73 Medicare coverage policies: 73 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52370Billing and Coding: Bevacizumab and biosimilars
A52399Billing and Coding: Denosumab (Prolia®, Xgeva®, Jubbonti®) and biosimilars
A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
A52479Oral Anticancer Drugs - Policy Article

Code history

Unchanged in every release from FY2024 to FY2027.