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    v1.0.28
    OpenPayerBilling CodesDiseases and Disorders of the Kidney and Urinary TractDRG 699-other-kidney-and-urinary-tract-diagnoses-with-cc
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    Other Kidney and Urinary Tract Diagnoses with CC: Inpatient Reimbursement Overview

    DRG 699 includes inpatient stays for miscellaneous kidney and urinary tract diagnoses with at least one Complication or Comorbidity and reflects added clinical complexity. Proper assignment affects Medicare payment because the Complication or Comorbidity designation changes relative weight and reimbursement for the stay.

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    DRG 699 Overview

    DRG 699 covers inpatient encounters for other kidney and urinary tract diagnoses that include at least one Complication or Comorbidity. This grouping captures cases not classified elsewhere but that still require inpatient resources due to added clinical complexity. It matters for Medicare payment because the presence of a Complication or Comorbidity adjusts relative weight and reimbursement compared with non-Complication or Comorbidity groupings. Accurate assignment affects hospital revenue and case-mix measurement under Centers for Medicare & Medicaid Services rules.

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    Clinical Trials

    • Acute intervention and complication prevention studies: Trials focused on short-term inpatient interventions to manage complications associated with diverse kidney and urinary tract diagnoses (for example, sepsis from urinary source, acute urinary retention with infection, obstructive uropathy with impaired renal function). These studies enroll hospitalized adults with acute presentations included under DRG 699 to test strategies such as optimized fluid and electrolyte management protocols, timing of urinary drainage procedures, or bundled care pathways to prevent progression to renal failure. Findings are directly relevant to clinicians for improving in-hospital clinical outcomes and to payers by potentially reducing length of stay, intensive care utilization, and costly downstream complications.
    • Comparative effectiveness studies of diagnostic and procedural approaches: Research comparing diagnostic algorithms (imaging versus bedside ultrasound, urine biomarker panels) or procedural choices (percutaneous versus endoscopic drainage where applicable) in patients with non-primary renal diagnoses that nonetheless affect renal function. These trials focus on heterogeneous inpatient populations captured by this DRG who present with structural, infectious, or metabolic urinary problems that carry a complication (CC), assessing which approaches yield faster resolution of symptoms, fewer rehospitalizations, and lower rates of renal deterioration. Results inform hospital protocols and payer policies by identifying cost-effective diagnostic and procedural pathways that optimize resource use while maintaining patient safety.
    • Post-discharge outcomes and care-transition studies: Cohort and interventional studies evaluating transitional care models, early outpatient follow-up, and medication reconciliation for patients discharged after hospitalization for other kidney and urinary tract conditions with complications (for example, patients with acute kidney injury on chronic kidney disease, recurrent complicated urinary tract infections, or post-procedural urinary issues). These studies examine readmission rates, progression to chronic kidney disease, adherence to follow-up and preventive measures, and health-economic outcomes. For providers and payers, this research highlights interventions that reduce readmissions and long-term costs by improving continuity of care and preventing avoidable deterioration after discharge.

    Related Codes

    650-KIDNEY-TRANSPLANT-WITH-HEMODIALYSIS-WITH-MCC

    Kidney Transplant with Hemodialysis with Major Complication or Comorbidity: Inpatient Reimbursement Overview

    651-KIDNEY-TRANSPLANT-WITH-HEMODIALYSIS-WITHOUT-MCC

    Kidney Transplant with Hemodialysis without MCC: Inpatient Reimbursement Overview

    652-KIDNEY-TRANSPLANT

    Kidney Transplant: Inpatient Reimbursement Overview

    653-MAJOR-BLADDER-PROCEDURES-WITH-MCC

    Major Bladder Procedures with MCC: Inpatient Reimbursement Overview

    654-MAJOR-BLADDER-PROCEDURES-WITH-CC

    Major Bladder Procedures with CC: Inpatient Reimbursement Overview

    655-MAJOR-BLADDER-PROCEDURES-WITHOUT-CC-MCC

    Major Bladder Procedures without CC/MCC: Inpatient Reimbursement Overview

    656-KIDNEY-AND-URETER-PROCEDURES-FOR-NEOPLASM-WITH-MCC

    Kidney and Ureter Procedures for Neoplasm with MCC: Inpatient Reimbursement Overview

    657-KIDNEY-AND-URETER-PROCEDURES-FOR-NEOPLASM-WITH-CC

    Kidney and Ureter Procedures for Neoplasm with CC: Inpatient Reimbursement Overview

    658-KIDNEY-AND-URETER-PROCEDURES-FOR-NEOPLASM-WITHOUT-CC-MCC

    Kidney and Ureter Procedures for Neoplasm without CC/MCC: Inpatient Reimbursement Overview

    659-KIDNEY-AND-URETER-PROCEDURES-FOR-NON-NEOPLASM-WITH-MCC

    Kidney and Ureter Procedures for Non-Neoplasm with MCC: Inpatient Reimbursement Overview

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    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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