All ICD10 Codes

DRG 398

Surgical DRG

Appendix Procedures with CC

TypeSurgicalMDC06

What is MS-DRG 398?

MS-DRG 398 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 06 (MDC 06) with a Complication or Comorbidity (CC). For FY 2026 it carries a relative weight of 1.5136 with a geometric mean length of stay of 2.9 days and an arithmetic mean of 3.8 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Classification
Surgical DRG
Procedure-driven grouping
MDC
Major Diagnostic Category 06
Linked Codes
0 diagnosis
57 procedure

FY 2026 Payment Data

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

Relative Weight
1.5136
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
2.9 days
Used for transfer payment calculations
Arithmetic Mean LOS
3.8 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
397Appendix Procedures with MCC2.39494.8 days
398Appendix Procedures with CCThis page1.51362.9 days
399Appendix Procedures without CC/MCC1.14471.8 days

Linked ICD-10-PCS Procedure Mappings

  • 0D5J0Z3

    Destruction of Appendix using Laser Interstitial Thermal Therapy, Open Approach

    BillableSection 0
  • 0D5J0ZZ

    Destruction of Appendix, Open Approach

    BillableSection 0
  • 0D5J3Z3

    Destruction of Appendix using Laser Interstitial Thermal Therapy, Percutaneous Approach

    BillableSection 0
  • 0D5J3ZZ

    Destruction of Appendix, Percutaneous Approach

    BillableSection 0
  • 0D5J4Z3

    Destruction of Appendix using Laser Interstitial Thermal Therapy, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0D5J4ZZ

    Destruction of Appendix, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0D5J7ZZ

    Destruction of Appendix, Via Natural or Artificial Opening

    BillableSection 0
  • 0D5J8ZZ

    Destruction of Appendix, Via Natural or Artificial Opening Endoscopic

    BillableSection 0
  • 0D9J00Z

    Drainage of Appendix with Drainage Device, Open Approach

    BillableSection 0
  • 0D9J0ZX

    Drainage of Appendix, Open Approach, Diagnostic

    BillableSection 0
  • 0D9J0ZZ

    Drainage of Appendix, Open Approach

    BillableSection 0
  • 0D9J3ZX

    Drainage of Appendix, Percutaneous Approach, Diagnostic

    BillableSection 0
  • 0D9J40Z

    Drainage of Appendix with Drainage Device, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0D9J4ZX

    Drainage of Appendix, Percutaneous Endoscopic Approach, Diagnostic

    BillableSection 0
  • 0D9J4ZZ

    Drainage of Appendix, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0D9J70Z

    Drainage of Appendix with Drainage Device, Via Natural or Artificial Opening

    BillableSection 0
  • 0D9J7ZX

    Drainage of Appendix, Via Natural or Artificial Opening, Diagnostic

    BillableSection 0
  • 0D9J7ZZ

    Drainage of Appendix, Via Natural or Artificial Opening

    BillableSection 0
  • 0D9J80Z

    Drainage of Appendix with Drainage Device, Via Natural or Artificial Opening Endoscopic

    BillableSection 0
  • 0D9J8ZX

    Drainage of Appendix, Via Natural or Artificial Opening Endoscopic, Diagnostic

    BillableSection 0
  • 0D9J8ZZ

    Drainage of Appendix, Via Natural or Artificial Opening Endoscopic

    BillableSection 0
  • 0DBJ0ZX

    Excision of Appendix, Open Approach, Diagnostic

    BillableSection 0
  • 0DBJ0ZZ

    Excision of Appendix, Open Approach

    BillableSection 0
  • 0DBJ3ZX

    Excision of Appendix, Percutaneous Approach, Diagnostic

    BillableSection 0
  • 0DBJ3ZZ

    Excision of Appendix, Percutaneous Approach

    BillableSection 0
  • 0DBJ4ZG

    Excision of Appendix, Percutaneous Endoscopic Approach, Hand-Assisted

    BillableSection 0
  • 0DBJ4ZX

    Excision of Appendix, Percutaneous Endoscopic Approach, Diagnostic

    BillableSection 0
  • 0DBJ4ZZ

    Excision of Appendix, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0DBJ7ZX

    Excision of Appendix, Via Natural or Artificial Opening, Diagnostic

    BillableSection 0
  • 0DBJ7ZZ

    Excision of Appendix, Via Natural or Artificial Opening

    BillableSection 0
  • 0DBJ8ZX

    Excision of Appendix, Via Natural or Artificial Opening Endoscopic, Diagnostic

    BillableSection 0
  • 0DBJ8ZZ

    Excision of Appendix, Via Natural or Artificial Opening Endoscopic

    BillableSection 0
  • 0DCJ0ZZ

    Extirpation of Matter from Appendix, Open Approach

    BillableSection 0
  • 0DCJ3ZZ

    Extirpation of Matter from Appendix, Percutaneous Approach

    BillableSection 0
  • 0DCJ4ZZ

    Extirpation of Matter from Appendix, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0DCJ7ZZ

    Extirpation of Matter from Appendix, Via Natural or Artificial Opening

    BillableSection 0
  • 0DCJ8ZZ

    Extirpation of Matter from Appendix, Via Natural or Artificial Opening Endoscopic

    BillableSection 0
  • 0DDJ3ZX

    Extraction of Appendix, Percutaneous Approach, Diagnostic

    BillableSection 0
  • 0DDJ4ZX

    Extraction of Appendix, Percutaneous Endoscopic Approach, Diagnostic

    BillableSection 0
  • 0DDJ8ZX

    Extraction of Appendix, Via Natural or Artificial Opening Endoscopic, Diagnostic

    BillableSection 0
  • 0DFJ0ZZ

    Fragmentation in Appendix, Open Approach

    BillableSection 0
  • 0DFJ3ZZ

    Fragmentation in Appendix, Percutaneous Approach

    BillableSection 0
  • 0DFJ4ZZ

    Fragmentation in Appendix, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0DFJ7ZZ

    Fragmentation in Appendix, Via Natural or Artificial Opening

    BillableSection 0
  • 0DFJ8ZZ

    Fragmentation in Appendix, Via Natural or Artificial Opening Endoscopic

    BillableSection 0
  • 0DNJ7ZZ

    Release Appendix, Via Natural or Artificial Opening

    BillableSection 0
  • 0DNJ8ZZ

    Release Appendix, Via Natural or Artificial Opening Endoscopic

    BillableSection 0
  • 0DQJ0ZZ

    Repair Appendix, Open Approach

    BillableSection 0
  • 0DQJ3ZZ

    Repair Appendix, Percutaneous Approach

    BillableSection 0
  • 0DQJ4ZZ

    Repair Appendix, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0DQJ7ZZ

    Repair Appendix, Via Natural or Artificial Opening

    BillableSection 0
  • 0DQJ8ZZ

    Repair Appendix, Via Natural or Artificial Opening Endoscopic

    BillableSection 0
  • 0DTJ0ZZ

    Resection of Appendix, Open Approach

    BillableSection 0
  • 0DTJ4ZG

    Resection of Appendix, Percutaneous Endoscopic Approach, Hand-Assisted

    BillableSection 0
  • 0DTJ4ZZ

    Resection of Appendix, Percutaneous Endoscopic Approach

    BillableSection 0
  • 0DTJ7ZZ

    Resection of Appendix, Via Natural or Artificial Opening

    BillableSection 0
  • 0DTJ8ZZ

    Resection of Appendix, Via Natural or Artificial Opening Endoscopic

    BillableSection 0