Summary & Overview
Concussion without CC/MCC: Inpatient Reimbursement Overview
DRG 090 addresses inpatient admissions for concussion without a Complication or Comorbidity or Major Complication or Comorbidity, encompassing observation and basic neurologic management. Proper classification into this Diagnosis-Related Group is important because it determines the bundled Medicare payment rate for an uncomplicated concussion hospitalization.
DRG 090 Overview
DRG 090 covers patients admitted with a concussion without a Complication or Comorbidity and without a Major Complication or Comorbidity. This Diagnosis-Related Group captures acute head injury presentations that typically require short inpatient stays for observation, neurologic evaluation, and symptomatic management. It matters for Medicare payment because the DRG assignment drives the bundled hospital payment for the episode of care, reflecting expected resource use for uncomplicated concussions. Accurate clinical documentation and coding determine grouping into DRG 090 and thus the applicable reimbursement pathway.