MS-DRG · FY 2026 v43.0

MS-DRG 799 – Splenic Procedures with MCC

A Surgical DRG in MDC 16 (Diseases & Disorders of Blood, Blood Forming Organs, Immunologic Disorders). Inpatient cases group to DRG 799 when one of the 50 ICD-10-PCS operating-room procedures listed below is reported. Its FY 2026 relative weight is 4.5289 with a geometric mean length of stay of 6.8 days.

Surgical DRG – assigned by operating-room procedure✓ Official CMS v43.0 dataset
4.5289
Relative Weight
6.8
Geometric Mean LOS (days)
9.1
Arithmetic Mean LOS (days)
50
Procedure Codes

Severity family

DRG 799with MCCWeight 4.5289 · GMLOS 6.8 daysDRG 800with CCWeight 2.8094 · GMLOS 3.9 daysDRG 801without CC/MCCWeight 1.9089 · GMLOS 2.4 days
How a case is assigned to DRG 799

The grouper first assigns the case to MDC 16 from the principal diagnosis, then matches a qualifying operating-room procedure from the ICD-10-PCS list below (this is a Surgical DRG), then applies the severity split from secondary diagnoses: with MCC → 799; with CC → 800; without CC/MCC → 801.

ICD-10-PCS

Procedure Codes 50 codes · 13 categories

50 of 50 shown
04L4 Lower Arteries, Occlusion9 codes
  • 04L40CZ Occlusion of Splenic Artery with Extraluminal Device, Open Approach
  • 04L40DZ Occlusion of Splenic Artery with Intraluminal Device, Open Approach
  • 04L40ZZ Occlusion of Splenic Artery, Open Approach
  • 04L43CZ Occlusion of Splenic Artery with Extraluminal Device, Percutaneous Approach
  • 04L43DZ Occlusion of Splenic Artery with Intraluminal Device, Percutaneous Approach
  • 04L43ZZ Occlusion of Splenic Artery, Percutaneous Approach
  • 04L44CZ Occlusion of Splenic Artery with Extraluminal Device, Percutaneous Endoscopic Approach
  • 04L44DZ Occlusion of Splenic Artery with Intraluminal Device, Percutaneous Endoscopic Approach
  • 04L44ZZ Occlusion of Splenic Artery, Percutaneous Endoscopic Approach
075P Lymphatic and Hemic Systems, Destruction3 codes
  • 075P0ZZ Destruction of Spleen, Open Approach
  • 075P3ZZ Destruction of Spleen, Percutaneous Approach
  • 075P4ZZ Destruction of Spleen, Percutaneous Endoscopic Approach
079P Lymphatic and Hemic Systems, Drainage3 codes
  • 079P00Z Drainage of Spleen with Drainage Device, Open Approach
  • 079P0ZX Drainage of Spleen, Open Approach, Diagnostic
  • 079P0ZZ Drainage of Spleen, Open Approach
07BP Lymphatic and Hemic Systems, Excision4 codes
  • 07BP0ZX Excision of Spleen, Open Approach, Diagnostic
  • 07BP0ZZ Excision of Spleen, Open Approach
  • 07BP3ZZ Excision of Spleen, Percutaneous Approach
  • 07BP4ZZ Excision of Spleen, Percutaneous Endoscopic Approach
07CP Lymphatic and Hemic Systems, Extirpation1 code
  • 07CP0ZZ Extirpation of Matter from Spleen, Open Approach
07HP Lymphatic and Hemic Systems, Insertion3 codes
  • 07HP01Z Insertion of Radioactive Element into Spleen, Open Approach
  • 07HP0YZ Insertion of Other Device into Spleen, Open Approach
  • 07HP41Z Insertion of Radioactive Element into Spleen, Percutaneous Endoscopic Approach
07NP Lymphatic and Hemic Systems, Release3 codes
  • 07NP0ZZ Release Spleen, Open Approach
  • 07NP3ZZ Release Spleen, Percutaneous Approach
  • 07NP4ZZ Release Spleen, Percutaneous Endoscopic Approach
07PP Lymphatic and Hemic Systems, Removal7 codes
  • 07PP00Z Removal of Drainage Device from Spleen, Open Approach
  • 07PP03Z Removal of Infusion Device from Spleen, Open Approach
  • 07PP0YZ Removal of Other Device from Spleen, Open Approach
  • 07PP30Z Removal of Drainage Device from Spleen, Percutaneous Approach
  • 07PP33Z Removal of Infusion Device from Spleen, Percutaneous Approach
  • 07PP40Z Removal of Drainage Device from Spleen, Percutaneous Endoscopic Approach
  • 07PP43Z Removal of Infusion Device from Spleen, Percutaneous Endoscopic Approach
07QP Lymphatic and Hemic Systems, Repair3 codes
  • 07QP0ZZ Repair Spleen, Open Approach
  • 07QP3ZZ Repair Spleen, Percutaneous Approach
  • 07QP4ZZ Repair Spleen, Percutaneous Endoscopic Approach
07SP Lymphatic and Hemic Systems, Reposition1 code
  • 07SP0ZZ Reposition Spleen, Open Approach
07TP Lymphatic and Hemic Systems, Resection3 codes
  • 07TP0ZZ Resection of Spleen, Open Approach
  • 07TP4ZG Resection of Spleen, Percutaneous Endoscopic Approach, Hand-Assisted
  • 07TP4ZZ Resection of Spleen, Percutaneous Endoscopic Approach
07WP Lymphatic and Hemic Systems, Revision7 codes
  • 07WP00Z Revision of Drainage Device in Spleen, Open Approach
  • 07WP03Z Revision of Infusion Device in Spleen, Open Approach
  • 07WP0YZ Revision of Other Device in Spleen, Open Approach
  • 07WP30Z Revision of Drainage Device in Spleen, Percutaneous Approach
  • 07WP33Z Revision of Infusion Device in Spleen, Percutaneous Approach
  • 07WP40Z Revision of Drainage Device in Spleen, Percutaneous Endoscopic Approach
  • 07WP43Z Revision of Infusion Device in Spleen, Percutaneous Endoscopic Approach
07YP Lymphatic and Hemic Systems, Transplantation3 codes
  • 07YP0Z0 Transplantation of Spleen, Allogeneic, Open Approach
  • 07YP0Z1 Transplantation of Spleen, Syngeneic, Open Approach
  • 07YP0Z2 Transplantation of Spleen, Zooplastic, Open Approach
ICD-10-CM

Qualifying Diagnosis Codes

Diagnosis codes do not drive assignment for this DRG. Cases group here from the ICD-10-PCS procedure list below.

Frequently Asked Questions

What is MS-DRG 799?

MS-DRG 799 (Splenic Procedures with MCC) is a surgical DRG in MDC 16 (Diseases & Disorders of Blood, Blood Forming Organs, Immunologic Disorders). Its FY 2026 relative weight is 4.5289 with a geometric mean length of stay of 6.8 days.

What is the difference between DRG 799, 800, 801?

All 3 share the same base category; the severity of secondary diagnoses separates them: 799 (with MCC), 800 (with CC), 801 (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 procedure codes group to DRG 799?

50 ICD-10-PCS operating-room procedure codes group to this DRG.

What is the relative weight of DRG 799?

The FY 2026 relative weight of this DRG is 4.5289, meaning reimbursement of roughly 4.53 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.

← PreviousDRG 798 – Vaginal Delivery with Sterilization and/or D&C without
Source: CMS ICD-10 MS-DRG v43.0 Definitions Manual and the FY 2026 IPPS Final Rule (Table 5), effective October 1, 2025 through September 30, 2026. We publish the DRG assignments as CMS defines them and add the navigation, search, and code links.