Malignant neoplasm of renal pelvis
In Malignant neoplasms of urinary tract (C64-C68), chapter 2: Neoplasms
3 billable codes under C65: all are a CC; all map to HCC 22 (Bladder, Colorectal, and Other Cancers).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.
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Instructional notes
Includes: conditions that are coded here
- malignant neoplasm of pelviureteric junction
- malignant neoplasm of renal calyces
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 C65
C65 can't be used on a claim. Pick a billable code below; grey headings group them.
C65 MS-DRGs
As the principal diagnosis, all 3 billable codes under C65 group to MS-DRG 656, 657, 658, 686, 687, or 688 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 656 Kidney and Ureter Procedures for Neoplasm with MCC
- DRG 657 Kidney and Ureter Procedures for Neoplasm with CC
- DRG 658 Kidney and Ureter Procedures for Neoplasm without CC/MCC
- DRG 686 Kidney and Urinary Tract Neoplasms with MCC
- DRG 687 Kidney and Urinary Tract Neoplasms with CC
- DRG 688 Kidney and Urinary Tract Neoplasms without CC/MCC
Other codes that refer to C65
Notes on these codes point to C65.
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 MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.