C06.1

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Malignant neoplasm of vestibule of mouth

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

Instructional Notes

Includes
  • Malignant neoplasm of buccal sulcus (upper) (lower)
  • Malignant neoplasm of labial sulcus (upper) (lower)
General instructions are available for the parent sections:
View C06 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)
C00-C14Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
C06Malignant neoplasm of other and unspecified parts of mouth
C06.1Malignant neoplasm of vestibule of mouth

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C06.1:

categoryC06
Malignant neoplasm of other and unspecified parts of mouth
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to C06.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths
Neoplasm, neoplastic6 unique routes
alveolar
sulcus→C06.1
buccal (cavity)(2 variants)
groove (lower) (upper)→C06.1
sulcus (lower) (upper)→C06.1
labial
sulcus (lower) (upper)→C06.1
mouth
vestibule→C06.1
vestibule
mouth→C06.1

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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