All ICD10 Codes

C11.1

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Malignant neoplasm of posterior wall of nasopharynx

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes
  • Malignant neoplasm of adenoid
  • Malignant neoplasm of pharyngeal tonsil
General instructions are available for the parent sections:
View C11 Notes

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C00-C14Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
C11Malignant neoplasm of nasopharynx
C11.1Malignant neoplasm of posterior wall of nasopharynxBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C11.1:

categoryC11
Malignant neoplasm of nasopharynx
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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