Summary & Overview
Osteomyelitis with Major Complication or Comorbidity: Inpatient Reimbursement Overview
DRG 539 addresses osteomyelitis cases with Major Complication or Comorbidity that drive increased resource utilization and longer hospital stays. Accurate classification matters for inpatient reimbursement because it aligns Medicare Severity Diagnosis-Related Group payment with the expected intensity of services and costs.
DRG 539 Overview
DRG 539 covers inpatient admissions for osteomyelitis with Major Complication or Comorbidity, typically involving severe or systemic bone infection requiring prolonged medical management, possible surgical debridement, and extended antimicrobial therapy. This Diagnosis-Related Group signals higher resource use due to intensive diagnostics, operative interventions, and longer lengths of stay. For Medicare payment purposes, classification into this group increases reimbursement relative to less complex osteomyelitis cases because of the expected higher cost of care.