MCMedicalCodingSoftware
657

MS-DRG 657: KIDNEY AND URETER PROCEDURES FOR NEOPLASM WITH CC

DRGSurgicalMDC 11

MS-DRG 657 is kidney and ureter procedures for neoplasm with cc, in MDC 11 (a surgical DRG), at the with-CC (complication or comorbidity) level. Its FY2027 relative weight is 1.8365, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.40 days. 67 ICD-10-CM principal diagnoses group into MS-DRGs 656–658 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
1.8365
Geometric mean LOS
2.40
Arithmetic mean LOS
3.10
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 656–658

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 67 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 656–658 the case lands in. The 24 most-searched:

  • 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
  • C67.9Malignant neoplasm of bladder, unspecified
  • C67.2Malignant neoplasm of lateral wall of bladder
  • C67.8Malignant neoplasm of overlapping sites of bladder
  • C68.9Malignant neoplasm of urinary organ, unspecified
  • C67.0Malignant neoplasm of trigone of bladder
  • D49.4Neoplasm of unspecified behavior of bladder
  • C65.1Malignant neoplasm of right renal pelvis
  • C67.1Malignant neoplasm of dome of bladder
  • C67.4Malignant neoplasm of posterior wall of bladder
  • D09.0Carcinoma in situ of bladder
  • D17.71Benign lipomatous neoplasm of kidney
  • C65.2Malignant neoplasm of left renal pelvis
  • C65.9Malignant neoplasm of unspecified renal pelvis
  • C67.5Malignant neoplasm of bladder neck
  • C79.00Secondary malignant neoplasm of unspecified kidney and renal pelvis
  • C79.02Secondary malignant neoplasm of left kidney and renal pelvis
  • D41.01Neoplasm of uncertain behavior of right kidney
  • D41.4Neoplasm of uncertain behavior of bladder
  • D49.59Neoplasm of unspecified behavior of other genitourinary organ
  • C66.1Malignant neoplasm of right ureter
  • C66.2Malignant neoplasm of left ureter

43 more codes group here. Open any code above for its full hierarchy, or check a whole claim in the free DRG calculator.

The severity splits

Same base DRG, split by whether a secondary diagnosis is a CC or MCC. The last column is the weight change from MS-DRG 657.

656KIDNEY AND URETER PROCEDURES FOR NEOPLASM WITH MCC3.2786+1.4421
657KIDNEY AND URETER PROCEDURES FOR NEOPLASM WITH CC1.8365
658KIDNEY AND URETER PROCEDURES FOR NEOPLASM WITHOUT CC/MCC1.5380-0.2985

All FY2027 MS-DRGs · MDC 11

MS-DRG (IPPS Table 5)FY2027