MCMedicalCodingSoftware
690

MS-DRG 690: KIDNEY AND URINARY TRACT INFECTIONS WITHOUT MCC

DRGMedicalMDC 11

MS-DRG 690 is kidney and urinary tract infections without mcc, in MDC 11 (a medical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 0.8010, so a case here pays less than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.80 days. 39 ICD-10-CM principal diagnoses group into MS-DRGs 689–690 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
0.8010
Geometric mean LOS
2.80
Arithmetic mean LOS
3.40
Post-acute transfer
Yes

This DRG is subject to the post-acute care transfer policy: a discharge to a qualifying setting below the mean length of stay is paid per diem rather than in full.

Principal diagnoses that group to MS-DRGs 689–690

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 39 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 689–690 the case lands in. The 24 most-searched:

  • N39.0Urinary tract infection, site not specified
  • N10Acute pyelonephritis
  • N12Tubulo-interstitial nephritis, not specified as acute or chronic
  • N30.00Acute cystitis without hematuria
  • N13.6Pyonephrosis
  • N30.01Acute cystitis with hematuria
  • N30.90Cystitis, unspecified without hematuria
  • N30.10Interstitial cystitis (chronic) without hematuria
  • N13.5Crossing vessel and stricture of ureter without hydronephrosis
  • N30.20Other chronic cystitis without hematuria
  • N11.9Chronic tubulo-interstitial nephritis, unspecified
  • B65.0Schistosomiasis due to Schistosoma haematobium [urinary schistosomiasis]
  • N11.0Nonobstructive reflux-associated chronic pyelonephritis
  • N11.8Other chronic tubulo-interstitial nephritis
  • N15.1Renal and perinephric abscess
  • N30.91Cystitis, unspecified with hematuria
  • N34.2Other urethritis
  • A18.10Tuberculosis of genitourinary system, unspecified
  • A18.11Tuberculosis of kidney and ureter
  • A18.12Tuberculosis of bladder
  • A18.13Tuberculosis of other urinary organs
  • A36.85Diphtheritic cystitis
  • A52.75Syphilis of kidney and ureter
  • A54.01Gonococcal cystitis and urethritis, unspecified

15 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 690.

689KIDNEY AND URINARY TRACT INFECTIONS WITH MCC1.1415+0.3405
690KIDNEY AND URINARY TRACT INFECTIONS WITHOUT MCC0.8010

Choosing the principal diagnosis: Urinary tract infection (UTI) ICD-10 codes, Urolithiasis ICD-10 codes.

All FY2027 MS-DRGs · MDC 11

MS-DRG (IPPS Table 5)FY2027