C02.4 Malignant neoplasm of lingual tonsil

Billable ICD-10-CM code, FY2026.

Excludes2 (not included here)

• malignant neoplasm of tonsil NOS (C09.9)

Applies from C02 Malignant neoplasm of other and unspecified parts of tongue

Use additional code

• code to identify:
• alcohol abuse and dependence (F10.-)
• history of tobacco dependence (Z87.891)
• tobacco dependence (F17.-)
• tobacco use (Z72.0)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 21 — Lymphoma and Other Cancers
• CMS-HCC V22: HCC 11 — Colorectal, Bladder, and Other Cancers
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors
• ESRD V24: HCC 11

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 141.6 Malignant neoplasm of lingual tonsil

Code annotations containing back-references to C02.4

Back-references to C02.4

• Type 2 Excludes: C09 Malignant neoplasm of tonsil ("malignant neoplasm of lingual tonsil (C02.4)")

Nearby codes

• C02 Malignant neoplasm of other and unspecified parts of tongue
• C02.0 Malignant neoplasm of dorsal surface of tongue
• C02.1 Malignant neoplasm of border of tongue
• C02.2 Malignant neoplasm of ventral surface of tongue
• C02.3 Malignant neoplasm of anterior two-thirds of tongue, part unspecified
• C02.4 Malignant neoplasm of lingual tonsil (this code)
• C02.8 Malignant neoplasm of overlapping sites of tongue
• C02.9 Malignant neoplasm of tongue, unspecified