DRG 383
Medical DRGUncomplicated Peptic Ulcer with MCC
What is MS-DRG 383?
MS-DRG 383 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 06 (MDC 06) with a Major Complication or Comorbidity (MCC). It maps to 9 ICD-10-CM diagnosis codes. For FY 2026 it carries a relative weight of 1.3807 with a geometric mean length of stay of 3.9 days and an arithmetic mean of 5.1 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.
FY 2026 Payment Data
Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).
Related MS-DRGs in This Severity Group
The same clinical condition is split into separate DRGs by complication severity. MCC pays more than CC, which pays more than no CC/MCC.
| DRG | Title | Rel. Weight | GMLOS |
|---|---|---|---|
| 383 | Uncomplicated Peptic Ulcer with MCCThis page | 1.3807 | 3.9 days |
| 384 | Uncomplicated Peptic Ulcer without MCC | 0.8548 | 2.4 days |
Linked ICD-10-CM Diagnosis Mappings
- K25.3
Acute gastric ulcer without hemorrhage or perforation
BillableChapter 11 - K25.7
Chronic gastric ulcer without hemorrhage or perforation
BillableChapter 11 - K25.9
Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation
BillableChapter 11 - K26.3
Acute duodenal ulcer without hemorrhage or perforation
BillableChapter 11 - K26.7
Chronic duodenal ulcer without hemorrhage or perforation
BillableChapter 11 - K26.9
Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
BillableChapter 11 - K27.3
Acute peptic ulcer, site unspecified, without hemorrhage or perforation
BillableChapter 11 - K27.7
Chronic peptic ulcer, site unspecified, without hemorrhage or perforation
BillableChapter 11 - K27.9
Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation
BillableChapter 11
