C34.92 Malignant neoplasm of unspecified part of left bronchus or lung
Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.
Applies from C34 Malignant neoplasm of bronchus and lung
Excludes1 (never code together)
- Kaposi's sarcoma of lung (C46.5-)
- malignant carcinoid tumor of the bronchus and lung (C7A.090)
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)
Risk adjustment (HCC)
- CMS-HCC V28: HCC 20 — Lung and Other Severe Cancers
- CMS-HCC V22: HCC 9 — Lung and Other Severe Cancers
- RxHCC V08: HCC 20 — Lung, Kidney, and Other Cancers; Secondary Cancer of Lymph Nodes and Other Sites
- ESRD V24: HCC 9
MS-DRG index
Defines the logic of DRG(s) 180-182 in MDC 04.
Approximate ICD-9-CM (GEMs)
162.9 Malignant neoplasm of bronchus and lung, unspecified (approximate)
Code annotations containing back-references to C34.92
Back-references to C34
- Code First:
J93.12 Secondary spontaneous pneumothorax ("malignant neoplasm of bronchus and lung (C34.-)")
Nearby codes
C34.81 Malignant neoplasm of overlapping sites of right bronchus and lungC34.82 Malignant neoplasm of overlapping sites of left bronchus and lungC34.9 Malignant neoplasm of unspecified part of bronchus or lungC34.90 Malignant neoplasm of unspecified part of unspecified bronchus or lungC34.91 Malignant neoplasm of unspecified part of right bronchus or lungC34.92 Malignant neoplasm of unspecified part of left bronchus or lung (this code)