All ICD10 Codes

C11

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Malignant neoplasm of nasopharynx

Use a more specific code (6 billable)
C11.0Malignant neoplasm of superior wall of nasopharynxC11.1Malignant neoplasm of posterior wall of nasopharynxC11.2Malignant neoplasm of lateral wall of nasopharynxC11.3Malignant neoplasm of anterior wall of nasopharynxC11.8Malignant neoplasm of overlapping sites of nasopharynxC11.9Malignant neoplasm of nasopharynx, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

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)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C00-C14Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
C11Malignant neoplasm of nasopharynxNot billable
C11.0Malignant neoplasm of superior wall of nasopharynxBillable
C11.1Malignant neoplasm of posterior wall of nasopharynxBillable
C11.2Malignant neoplasm of lateral wall of nasopharynxBillable
C11.3Malignant neoplasm of anterior wall of nasopharynxBillable
C11.8Malignant neoplasm of overlapping sites of nasopharynxBillable
C11.9Malignant neoplasm of nasopharynx, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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