DRG 383

Medical DRG

Uncomplicated Peptic Ulcer with MCC

TypeMedicalMDC06Dx Codes9

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.

Classification
Medical DRG
Diagnosis-driven grouping
Linked Codes
9 diagnosis
Billable Dx
100%
9 of 9 shown

FY 2026 Payment Data

Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).

Relative Weight
1.3807
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
3.9 days
Used for transfer payment calculations
Arithmetic Mean LOS
5.1 days
Average length of stay
Post-Acute Transfer
No
Not subject to the transfer policy

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.

DRGTitleRel. WeightGMLOS
383Uncomplicated Peptic Ulcer with MCCThis page1.38073.9 days
384Uncomplicated Peptic Ulcer without MCC0.85482.4 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