A Surgical DRG in MDC 05 (Diseases & Disorders of the Circulatory System). Inpatient cases group to DRG 265 when one of the 33 ICD-10-PCS operating-room procedures listed below is reported. Its FY 2026 relative weight is 3.6182 with a geometric mean length of stay of 4.4 days.
Surgical DRG – assigned by operating-room procedure✓ Official CMS v43.0 dataset
3.6182
Relative Weight
4.4
Geometric Mean LOS (days)
6.3
Arithmetic Mean LOS (days)
33
Procedure Codes
How a case is assigned to DRG 265
The grouper first assigns the case to MDC 05 from the principal diagnosis, then matches a qualifying operating-room procedure from the ICD-10-PCS list below (this is a Surgical DRG).
ICD-10-PCS
Procedure Codes 33 codes · 12 categories
33 of 33 shown
02H4 Heart and Great Vessels, Insertion3 codes
02H40KZInsertion of Defibrillator Lead into Coronary Vein, Open Approach
02H43KZInsertion of Defibrillator Lead into Coronary Vein, Percutaneous Approach
02H44KZInsertion of Defibrillator Lead into Coronary Vein, Percutaneous Endoscopic Approach
02H6 Heart and Great Vessels, Insertion3 codes
02H60KZInsertion of Defibrillator Lead into Right Atrium, Open Approach
02H63KZInsertion of Defibrillator Lead into Right Atrium, Percutaneous Approach
02H64KZInsertion of Defibrillator Lead into Right Atrium, Percutaneous Endoscopic Approach
02H7 Heart and Great Vessels, Insertion3 codes
02H70KZInsertion of Defibrillator Lead into Left Atrium, Open Approach
02H73KZInsertion of Defibrillator Lead into Left Atrium, Percutaneous Approach
02H74KZInsertion of Defibrillator Lead into Left Atrium, Percutaneous Endoscopic Approach
02HK Heart and Great Vessels, Insertion3 codes
02HK0KZInsertion of Defibrillator Lead into Right Ventricle, Open Approach
02HK3KZInsertion of Defibrillator Lead into Right Ventricle, Percutaneous Approach
02HK4KZInsertion of Defibrillator Lead into Right Ventricle, Percutaneous Endoscopic Approach
02HL Heart and Great Vessels, Insertion3 codes
02HL0KZInsertion of Defibrillator Lead into Left Ventricle, Open Approach
02HL3KZInsertion of Defibrillator Lead into Left Ventricle, Percutaneous Approach
02HL4KZInsertion of Defibrillator Lead into Left Ventricle, Percutaneous Endoscopic Approach
02HN Heart and Great Vessels, Insertion3 codes
02HN0KZInsertion of Defibrillator Lead into Pericardium, Open Approach
02HN3KZInsertion of Defibrillator Lead into Pericardium, Percutaneous Approach
02HN4KZInsertion of Defibrillator Lead into Pericardium, Percutaneous Endoscopic Approach
0JH6 Subcutaneous Tissue and Fascia, Insertion2 codes
0JH60FZInsertion of Subcutaneous Defibrillator Lead into Chest Subcutaneous Tissue and Fascia, Open Approach
0JH63FZInsertion of Subcutaneous Defibrillator Lead into Chest Subcutaneous Tissue and Fascia, Percutaneous Approach
0JPT Subcutaneous Tissue and Fascia, Removal2 codes
0JPT0FZRemoval of Subcutaneous Defibrillator Lead from Trunk Subcutaneous Tissue and Fascia, Open Approach
0JPT3FZRemoval of Subcutaneous Defibrillator Lead from Trunk Subcutaneous Tissue and Fascia, Percutaneous Approach
0JWT Subcutaneous Tissue and Fascia, Revision2 codes
0JWT0FZRevision of Subcutaneous Defibrillator Lead in Trunk Subcutaneous Tissue and Fascia, Open Approach
0JWT3FZRevision of Subcutaneous Defibrillator Lead in Trunk Subcutaneous Tissue and Fascia, Percutaneous Approach
0WHC Anatomical Regions, General, Insertion3 codes
0WHC0GZInsertion of Defibrillator Lead into Mediastinum, Open Approach
0WHC3GZInsertion of Defibrillator Lead into Mediastinum, Percutaneous Approach
0WHC4GZInsertion of Defibrillator Lead into Mediastinum, Percutaneous Endoscopic Approach
0WPC Anatomical Regions, General, Removal3 codes
0WPC0GZRemoval of Defibrillator Lead from Mediastinum, Open Approach
0WPC3GZRemoval of Defibrillator Lead from Mediastinum, Percutaneous Approach
0WPC4GZRemoval of Defibrillator Lead from Mediastinum, Percutaneous Endoscopic Approach
0WWC Anatomical Regions, General, Revision3 codes
0WWC0GZRevision of Defibrillator Lead in Mediastinum, Open Approach
0WWC3GZRevision of Defibrillator Lead in Mediastinum, Percutaneous Approach
0WWC4GZRevision of Defibrillator Lead in Mediastinum, Percutaneous Endoscopic 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 265?
MS-DRG 265 (AICD Lead Procedures) is a surgical DRG in MDC 05 (Diseases & Disorders of the Circulatory System). Its FY 2026 relative weight is 3.6182 with a geometric mean length of stay of 4.4 days.
How many procedure codes group to DRG 265?
33 ICD-10-PCS operating-room procedure codes group to this DRG.
What is the relative weight of DRG 265?
The FY 2026 relative weight of this DRG is 3.6182, meaning reimbursement of roughly 3.62 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.
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.