C02.4

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Malignant neoplasm of lingual tonsil

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes2(Not included here)
  • malignant neoplasm of tonsil NOS (C09.9)
General instructions are available for the parent sections:
View C02 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)
C00-C14Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
C02Malignant neoplasm of other and unspecified parts of tongue
C02.4Malignant neoplasm of lingual tonsil

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C02.4:

categoryC02
Malignant neoplasm of other and unspecified parts of tongue
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to C02.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Neoplasm, neoplastic2 unique routes
tongue
tonsil→C02.4
tonsil
lingual→C02.4

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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