C33 Malignant neoplasm of trachea

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

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)

Applies from C33 Malignant neoplasm of trachea

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)

• 162.0 Malignant neoplasm of trachea

Nearby codes

• C33 Malignant neoplasm of trachea (this code)