Malignant neoplasms of urinary tract (C64-C68)
chapter 2: Neoplasms
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Rules for coding benign and malignant neoplasms: using the Neoplasm Table, sequencing primary and secondary sites, treatment encounters, complications, and current cancer versus personal history.
- Admission/Encounter for treatment of primary site (page 33)
- Admission/Encounter for treatment of secondary site (page 33)
- Coding and sequencing of complications (page 34)
- Primary malignancy previously excised (page 34)
- Admissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy (page 35)
- Admission/encounter to determine extent of malignancy (page 36)
- Symptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms (page 36)
- Admission/encounter for pain control/management (page 36)
All codes under C64-C68
C64-C68 can't be used on a claim. Pick a billable code below; grey headings group them.
- C64Malignant neoplasm of kidney, except renal pelvis
- C64.1Malignant neoplasm of right kidney, except renal pelvis
- C64.2Malignant neoplasm of left kidney, except renal pelvis
- C64.9Malignant neoplasm of unspecified kidney, except renal pelvis
- C65Malignant neoplasm of renal pelvis
- C65.1Malignant neoplasm of right renal pelvis
- C65.2Malignant neoplasm of left renal pelvis
- C65.9Malignant neoplasm of unspecified renal pelvis
- C66Malignant neoplasm of ureter
- C66.1Malignant neoplasm of right ureter
- C66.2Malignant neoplasm of left ureter
- C66.9Malignant neoplasm of unspecified ureter
- C67Malignant neoplasm of bladder
- C67.0Malignant neoplasm of trigone of bladder
- C67.1Malignant neoplasm of dome of bladder
- C67.2Malignant neoplasm of lateral wall of bladder
- C67.3Malignant neoplasm of anterior wall of bladder
- C67.4Malignant neoplasm of posterior wall of bladder
- C67.5Malignant neoplasm of bladder neck
- C67.6Malignant neoplasm of ureteric orifice
- C67.7Malignant neoplasm of urachus
- C67.8Malignant neoplasm of overlapping sites of bladder
- C67.9Malignant neoplasm of bladder, unspecified
- C68Malignant neoplasm of other and unspecified urinary organs
- C68.0Malignant neoplasm of urethra
- C68.1Malignant neoplasm of paraurethral glands
- C68.8Malignant neoplasm of overlapping sites of urinary organs
- C68.9Malignant neoplasm of urinary organ, unspecified
C64-C68 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to C64-C68
Notes on these codes point to C64-C68.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Kidney Cancer
You have two kidneys. They are fist-sized organs on either side of your backbone above your waist. The tubes inside filter and clean your blood, taking out waste products and making urine. Kidney cancer forms in the lining of tiny tubes inside your kidneys.
Read more about kidney cancer on MedlinePlus