MS-DRG 88 – Concussion with MCC
A Medical DRG in MDC 01 (Diseases & Disorders of the Nervous System). Inpatient cases group to DRG 88 when the ICD-10-CM principal diagnosis is one of the 4 codes listed below and a secondary diagnosis on the major complication or comorbidity (MCC) list is present. Its FY 2026 relative weight is 1.3518 with a geometric mean length of stay of 3.4 days.
Severity family
The grouper first assigns the case to MDC 01 from the principal diagnosis and finds no qualifying operating-room procedure (this is a Medical DRG; ICD-10-PCS codes do not drive assignment here), then applies the severity split from secondary diagnoses: with MCC → 88; with CC → 89; without CC/MCC → 90.
Principal Diagnosis Codes 4 codes · 1 category
S06 Intracranial injury4 codes
- S06.0X0A Concussion without loss of consciousness, initial encounter
- S06.0X1A Concussion with loss of consciousness of 30 minutes or less, initial encounter
- S06.0X9A Concussion with loss of consciousness of unspecified duration, initial encounter
- S06.0XAA Concussion with loss of consciousness status unknown, initial encounter
Procedure Codes
Frequently Asked Questions
What is MS-DRG 88?
MS-DRG 88 (Concussion with MCC) is a medical DRG in MDC 01 (Diseases & Disorders of the Nervous System). Its FY 2026 relative weight is 1.3518 with a geometric mean length of stay of 3.4 days.
What is the difference between DRG 88, 89, 90?
All 3 share the same base category; the severity of secondary diagnoses separates them: 88 (with MCC), 89 (with CC), 90 (without CC/MCC). A major complication or comorbidity (MCC) places the case in the highest-weighted DRG of the family; a CC in the middle; neither in the lowest.
How many diagnosis codes group to DRG 88?
4 ICD-10-CM principal diagnosis codes group to this DRG, spanning 1 three-character category.
What is the relative weight of DRG 88?
The FY 2026 relative weight of this DRG is 1.3518, meaning reimbursement of roughly 1.35 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.
