All ICD10 Codes

C66

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Malignant neoplasm of ureter

Use a more specific code (3 billable)
C66.1Malignant neoplasm of right ureterC66.2Malignant neoplasm of left ureterC66.9Malignant neoplasm of unspecified ureter
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • malignant neoplasm of ureteric orifice of bladder (C67.6)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C64-C68Malignant neoplasms of urinary tract (C64-C68)
C66Malignant neoplasm of ureterNot billable
C66.1Malignant neoplasm of right ureterBillable
C66.2Malignant neoplasm of left ureterBillable
C66.9Malignant neoplasm of unspecified ureterBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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