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    v1.0.30
    OpenPayerBilling CodesEndocrine, Nutritional and Metabolic Diseases and DisordersDRG 619-o-r-procedures-for-obesity-with-mcc
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    O.R. Procedures for Obesity with MCC: Inpatient Reimbursement Overview

    DRG 619 encompasses operating room procedures for obesity accompanied by a Major Complication or Comorbidity, reflecting higher clinical complexity. Correct assignment to this Diagnosis-Related Group influences inpatient reimbursement under Medicare by aligning payment with expected resource use.

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    DRG 619 Overview

    DRG 619 covers inpatient hospital cases involving operating room procedures for obesity when a Major Complication or Comorbidity is present, typically including bariatric surgeries performed in patients with significant additional diagnoses. This Diagnosis-Related Group groups higher-resource cases that require more complex perioperative management and extended resource use. It matters for Medicare payment because hospitals receive higher prospective reimbursement under this Diagnosis-Related Group to reflect the increased clinical complexity and costs. Accurate coding of the Major Complication or Comorbidity and the specific procedure affects proper assignment to this Diagnosis-Related Group.

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    Clinical Trials

    • Randomized controlled trials comparing different bariatric surgical techniques and perioperative care bundles (for example, laparoscopic sleeve gastrectomy versus Roux-en-Y gastric bypass and enhanced recovery protocols) focusing on patients with severe obesity and at least one major comorbidity. These studies enroll adult inpatients who meet criteria for operative management of obesity with MCC (such as type 2 diabetes, obstructive sleep apnea, or significant cardiovascular disease) to evaluate short-term surgical morbidity, perioperative complication rates, and index hospitalization resource use. Results directly inform surgical decision-making, risk adjustment, and expected inpatient costs for providers and payers managing high-risk DRG 619 cases.
    • Comparative effectiveness and health-services research assessing perioperative optimization strategies and complication prevention in high-risk obese patients undergoing O.R. procedures. Examples include trials or pragmatic studies of preoperative medical optimization (glycemic and blood pressure control), respiratory therapy protocols, or venous thromboembolism prophylaxis tailored to patients with obesity plus major comorbidities; populations typically include patients admitted for planned bariatric or metabolic operations who carry additional MCCs. Findings help hospitals and payers identify which protocols reduce length of stay, readmissions, and costly complications among DRG 619 patients and support evidence-based pathways and bundled payment models.
    • Prospective cohort and outcomes research focused on post-discharge recovery, long-term comorbidity resolution, and health-economic outcomes after operative treatment for obesity in patients with MCCs. These studies follow patients discharged from index hospitalization to measure durable weight loss, remission of diabetes or improvement in cardiovascular risk factors, readmission rates, and cumulative costs over 1–5 years; cohorts often stratify by baseline severity of comorbidity and perioperative complications. This evidence is relevant to payers and providers for evaluating the longer-term value of high-cost inpatient procedures captured under DRG 619 and for designing post-acute care pathways that may reduce downstream utilization.

    Related Codes

    614-ADRENAL-AND-PITUITARY-PROCEDURES-WITH-CC-MCC

    Adrenal and Pituitary Procedures with CC/MCC: Inpatient Reimbursement Overview

    615-ADRENAL-AND-PITUITARY-PROCEDURES-WITHOUT-CC-MCC

    Adrenal and Pituitary Procedures without CC/MCC: Inpatient Reimbursement Overview

    616-AMPUTATION-OF-LOWER-LIMB-FOR-ENDOCRINE-NUTRITIONAL-AND-METABOLIC-DISORDERS-WITH-MCC

    Amputation of Lower Limb for Endocrine, Nutritional and Metabolic Disorders with MCC: Inpatient Reimbursement Overview

    617-AMPUTATION-OF-LOWER-LIMB-FOR-ENDOCRINE-NUTRITIONAL-AND-METABOLIC-DISORDERS-WITH-CC

    Amputation of Lower Limb for Endocrine, Nutritional and Metabolic Disorders with CC: Inpatient Reimbursement Overview

    618-AMPUTATION-OF-LOWER-LIMB-FOR-ENDOCRINE-NUTRITIONAL-AND-METABOLIC-DISORDERS-WITHOUT-CC-MCC

    Amputation of Lower Limb for Endocrine, Nutritional and Metabolic Disorders without CC/MCC: Inpatient Reimbursement Overview

    620-O-R-PROCEDURES-FOR-OBESITY-WITH-CC

    O.R. Procedures for Obesity with CC: Inpatient Reimbursement Overview

    621-O-R-PROCEDURES-FOR-OBESITY-WITHOUT-CC-MCC

    O.R. Procedures for Obesity without CC/MCC: Inpatient Reimbursement Overview

    622-SKIN-GRAFTS-AND-WOUND-DEBRIDEMENT-FOR-ENDOCRINE-NUTRITIONAL-AND-METABOLIC-DISORDERS-WITH-MCC

    Skin Grafts and Wound Debridement for Endocrine, Nutritional and Metabolic Disorders with MCC: Inpatient Reimbursement Overview

    623-SKIN-GRAFTS-AND-WOUND-DEBRIDEMENT-FOR-ENDOCRINE-NUTRITIONAL-AND-METABOLIC-DISORDERS-WITH-CC

    Skin Grafts and Wound Debridement for Endocrine, Nutritional and Metabolic Disorders with CC: Inpatient Reimbursement Overview

    624-SKIN-GRAFTS-AND-WOUND-DEBRIDEMENT-FOR-ENDOCRINE-NUTRITIONAL-AND-METABOLIC-DISORDERS-WITHOUT-CC-MCC

    Skin Grafts and Wound Debridement for Endocrine, Nutritional and Metabolic Disorders without CC/MCC: Inpatient Reimbursement Overview

    Showing 1–10 of 25

    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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