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  3. Diagnosis Codes in MS-DRG 690 - Kidney And Urinary Tract Infections Without MCC

Diagnosis Codes in MS-DRG 690 - Kidney And Urinary Tract Infections Without MCC

The Medicare Severity Diagnosis-Related Group (MS-DRG) is a patient classification system used to categorize hospital cases based on clinical similarity and expected resource use. MS-DRGs organize all possible principal diagnoses into mutually exclusive groups known as Major Diagnostic Categories (MDCs), which help determine reimbursement under the Medicare Inpatient Prospective Payment System.

This section lists the diagnosis codes included in MS-DRG V42.0: Kidney and Urinary Tract Infections without MCC from October 1, 2024, through September 30, 2025.

MS-DRG: 690

MS-DRG Title: Kidney and Urinary Tract Infections without MCC

MCD: 11

Relative Weight: 0.8026 Relative Weight
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.

Geometric LOS: 0.80 Geometric Length of Stay
The geometric mean length of stay (GMLOS) is used by Medicare to calculate the reimbursement for patients whose medical treatment takes a much longer or shorter time than average.

Arithmetic LOS: 2.80 Arithmetic Length of Stay
The average length of stay (ALOS) reflects the average number of days a patient spends in a hospital for each admission.

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    • N10 - Acute pyelonephritis

    • N12 - Tubulo-interstitial nephritis, not specified as acute or chronic

  • A18.1 - Tuberculosis of genitourinary system

    • A18.10 - Tuberculosis of genitourinary system, unspecified

    • A18.11 - Tuberculosis of kidney and ureter

    • A18.12 - Tuberculosis of bladder

    • A18.13 - Tuberculosis of other urinary organs

  • A36.8 - Other diphtheria

    • A36.85 - Diphtheritic cystitis

  • A52.7 - Other symptomatic late syphilis

    • A52.75 - Syphilis of kidney and ureter

  • A54.0 - Gonococcal infection of lower genitourinary tract without periurethral or accessory gland abscess

    • A54.01 - Gonococcal cystitis and urethritis, unspecified

  • A56.1 - Chlamydial infection of pelviperitoneum and other genitourinary organs

    • A56.11 - Chlamydial female pelvic inflammatory disease

    • A56.19 - Other chlamydial genitourinary infection

  • A98 - Other viral hemorrhagic fevers, not elsewhere classified

    • A98.5 - Hemorrhagic fever with renal syndrome

  • B65 - Schistosomiasis [bilharziasis]

    • B65.0 - Schistosomiasis due to Schistosoma haematobium [urinary schistosomiasis]

  • B90 - Sequelae of tuberculosis

    • B90.1 - Sequelae of genitourinary tuberculosis

  • N11 - Chronic tubulo-interstitial nephritis

    • N11.0 - Nonobstructive reflux-associated chronic pyelonephritis

    • N11.8 - Other chronic tubulo-interstitial nephritis

    • N11.9 - Chronic tubulo-interstitial nephritis, unspecified

  • N13 - Obstructive and reflux uropathy

    • N13.5 - Crossing vessel and stricture of ureter without hydronephrosis

    • N13.6 - Pyonephrosis

  • N15 - Other renal tubulo-interstitial diseases

    • N15.1 - Renal and perinephric abscess

  • N28.8 - Other specified disorders of kidney and ureter

  • N30.0 - Acute cystitis

    • N30.00 - Acute cystitis without hematuria

    • N30.01 - Acute cystitis with hematuria

  • N30.1 - Interstitial cystitis (chronic)

    • N30.10 - Interstitial cystitis (chronic) without hematuria

    • N30.11 - Interstitial cystitis (chronic) with hematuria

  • N30.2 - Other chronic cystitis

    • N30.20 - Other chronic cystitis without hematuria

    • N30.21 - Other chronic cystitis with hematuria

  • N30.3 - Trigonitis

    • N30.30 - Trigonitis without hematuria

    • N30.31 - Trigonitis with hematuria

  • N30.8 - Other cystitis

    • N30.80 - Other cystitis without hematuria

    • N30.81 - Other cystitis with hematuria

  • N30.9 - Cystitis, unspecified

    • N30.90 - Cystitis, unspecified without hematuria

    • N30.91 - Cystitis, unspecified with hematuria

  • N34 - Urethritis and urethral syndrome

    • N34.0 - Urethral abscess

    • N34.2 - Other urethritis

    • N34.3 - Urethral syndrome, unspecified

  • N39 - Other disorders of urinary system

    • N39.0 - Urinary tract infection, site not specified