MCMedicalCodingSoftware
C34.2

C34.2: Malignant neoplasm of middle lobe, bronchus or lung

Billable / specific codeICD-10-CM

C34.2 is a billable, specific ICD-10-CM code for malignant neoplasm of middle lobe, bronchus or lung. It is valid for submission on a claim.

Check C34.2 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above C34.2

A category’s note binds every code beneath it.

Written on C34: Malignant neoplasm of bronchus and lung

  • Kaposi's sarcoma of lung (C46.5-)
  • malignant carcinoid tumor of the bronchus and lung (C7A.090)

Risk adjustment

C34.2 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

C34.2 is named in 83 Medicare coverage policies: 83 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.

Other codes under C34

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.