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    v1.0.28
    OpenPayerBilling CodesDiseases and Disorders of the Ear, Nose, Mouth and ThroatDRG 157-dental-and-oral-diseases-with-mcc
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    Dental and Oral Diseases with MCC: Inpatient Reimbursement Overview

    DRG 157 encompasses dental and oral disease hospitalizations with a Major Complication or Comorbidity that substantially increases clinical complexity. Understanding this Diagnosis-Related Group is important for Medicare inpatient reimbursement because the Major Complication or Comorbidity status drives higher payment for increased resource utilization.

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    DRG 157 Overview

    DRG 157 covers inpatient hospital cases for dental and oral diseases complicated by a Major Complication or Comorbidity that significantly increases resource use, such as severe infections, extensive surgical interventions, or systemic sequelae. This Diagnosis-Related Group groups patients whose oral or maxillofacial conditions require heightened levels of care and longer hospital stays. It matters for Medicare payment because the presence of a Major Complication or Comorbidity elevates relative reimbursement to reflect the greater intensity of services and costs associated with managing these complex inpatient cases.

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    Clinical Trials

    • Acute surgical and perioperative care trials assessing optimized management protocols for complex dental and oral infections with major complications: these studies enroll hospitalized patients with severe odontogenic infections, maxillofacial trauma, or postoperative infections requiring operative intervention and intensive inpatient care, comparing timing of surgery, airway management strategies, adjunctive antimicrobial regimens, and perioperative critical-care support. They address immediate mortality/morbidity risks and resource use in the inpatient episode, providing evidence relevant to providers for care pathways and to payers for LOS, complication rates, and appropriate reimbursement for high-acuity admissions.
    • Comparative effectiveness studies of inpatient multidisciplinary care models for patients with significant comorbidities and oral disease-related complications: trials compare outcomes between standard surgical/medical management versus coordinated teams (oral/maxillofacial surgery, ENT, infectious disease, anesthesiology, dental specialists, and social work) in adults with complex dental disease and major complications (eg, deep space neck infections, osteomyelitis, or immunocompromised hosts). These studies focus on readmissions, complication reduction, functional outcomes, and cost-effectiveness, informing clinicians and hospital administrators about best organizational strategies and payers about value-based approaches for high-cost DRG 157 cases.
    • Post-discharge and longitudinal outcome studies examining rehabilitation, oral function, and healthcare utilization after inpatient treatment for severe dental and oral disease with major complications: prospective cohort studies follow patients after discharge to assess wound healing, need for reconstructive procedures, nutritional status, long-term infection control, and subsequent ED visits or rehospitalizations, with stratification by age, comorbidity, and social determinants. Findings inform discharge planning, outpatient care coordination, and prevention programs to reduce readmissions and downstream costs, making the evidence directly useful to providers managing follow-up care and payers interested in reducing post-acute expenditures.

    Related Codes

    135-SINUS-AND-MASTOID-PROCEDURES-WITH-CC-MCC

    Sinus and Mastoid Procedures with CC/MCC: Inpatient Reimbursement Overview

    136-SINUS-AND-MASTOID-PROCEDURES-WITHOUT-CC-MCC

    Sinus and Mastoid Procedures without CC/MCC: Inpatient Reimbursement Overview

    137-MOUTH-PROCEDURES-WITH-CC-MCC

    Mouth Procedures with CC/MCC: Inpatient Reimbursement Overview

    138-MOUTH-PROCEDURES-WITHOUT-CC-MCC

    Mouth Procedures without CC/MCC: Inpatient Reimbursement Overview

    139-SALIVARY-GLAND-PROCEDURES

    Salivary Gland Procedures: Inpatient Reimbursement Overview

    140-MAJOR-HEAD-AND-NECK-PROCEDURES-WITH-MCC

    Major Head and Neck Procedures with MCC: Inpatient Reimbursement Overview

    141-MAJOR-HEAD-AND-NECK-PROCEDURES-WITH-CC

    Major Head and Neck Procedures with CC: Inpatient Reimbursement Overview

    142-MAJOR-HEAD-AND-NECK-PROCEDURES-WITHOUT-CC-MCC

    Major Head and Neck Procedures without CC/MCC: Inpatient Reimbursement Overview

    143-OTHER-EAR-NOSE-MOUTH-AND-THROAT-O-R-PROCEDURES-WITH-MCC

    Other Ear, Nose, Mouth and Throat O.R. Procedures with MCC: Inpatient Reimbursement Overview

    144-OTHER-EAR-NOSE-MOUTH-AND-THROAT-O-R-PROCEDURES-WITH-CC

    Other Ear, Nose, Mouth and Throat O.R. Procedures with CC: 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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