MS-DRG · FY 2026 v43.0

MS-DRG 318 – Percutaneous Coronary Atherectomy without Intraluminal Device

A Surgical DRG in MDC 05 (Diseases & Disorders of the Circulatory System). Inpatient cases group to DRG 318 when one of the 20 ICD-10-PCS operating-room procedures listed below is reported. Its FY 2026 relative weight is 2.4222 with a geometric mean length of stay of 2.7 days.

Surgical DRG – assigned by operating-room procedure✓ Official CMS v43.0 dataset
2.4222
Relative Weight
2.7
Geometric Mean LOS (days)
3.7
Arithmetic Mean LOS (days)
20
Procedure Codes
How a case is assigned to DRG 318

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 20 codes · 4 categories

20 of 20 shown
02C0 Heart and Great Vessels, Extirpation5 codes
  • 02C03Z6 Extirpation of Matter from Coronary Artery, One Artery, Bifurcation, Percutaneous Approach
  • 02C03Z7 Extirpation of Matter from Coronary Artery, One Artery, Orbital Atherectomy Technique, Percutaneous Approach
  • 02C03ZZ Extirpation of Matter from Coronary Artery, One Artery, Percutaneous Approach
  • 02C04Z6 Extirpation of Matter from Coronary Artery, One Artery, Bifurcation, Percutaneous Endoscopic Approach
  • 02C04ZZ Extirpation of Matter from Coronary Artery, One Artery, Percutaneous Endoscopic Approach
02C1 Heart and Great Vessels, Extirpation5 codes
  • 02C13Z6 Extirpation of Matter from Coronary Artery, Two Arteries, Bifurcation, Percutaneous Approach
  • 02C13Z7 Extirpation of Matter from Coronary Artery, Two Arteries, Orbital Atherectomy Technique, Percutaneous Approach
  • 02C13ZZ Extirpation of Matter from Coronary Artery, Two Arteries, Percutaneous Approach
  • 02C14Z6 Extirpation of Matter from Coronary Artery, Two Arteries, Bifurcation, Percutaneous Endoscopic Approach
  • 02C14ZZ Extirpation of Matter from Coronary Artery, Two Arteries, Percutaneous Endoscopic Approach
02C2 Heart and Great Vessels, Extirpation5 codes
  • 02C23Z6 Extirpation of Matter from Coronary Artery, Three Arteries, Bifurcation, Percutaneous Approach
  • 02C23Z7 Extirpation of Matter from Coronary Artery, Three Arteries, Orbital Atherectomy Technique, Percutaneous Approach
  • 02C23ZZ Extirpation of Matter from Coronary Artery, Three Arteries, Percutaneous Approach
  • 02C24Z6 Extirpation of Matter from Coronary Artery, Three Arteries, Bifurcation, Percutaneous Endoscopic Approach
  • 02C24ZZ Extirpation of Matter from Coronary Artery, Three Arteries, Percutaneous Endoscopic Approach
02C3 Heart and Great Vessels, Extirpation5 codes
  • 02C33Z6 Extirpation of Matter from Coronary Artery, Four or More Arteries, Bifurcation, Percutaneous Approach
  • 02C33Z7 Extirpation of Matter from Coronary Artery, Four or More Arteries, Orbital Atherectomy Technique, Percutaneous Approach
  • 02C33ZZ Extirpation of Matter from Coronary Artery, Four or More Arteries, Percutaneous Approach
  • 02C34Z6 Extirpation of Matter from Coronary Artery, Four or More Arteries, Bifurcation, Percutaneous Endoscopic Approach
  • 02C34ZZ Extirpation of Matter from Coronary Artery, Four or More Arteries, 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 318?

MS-DRG 318 (Percutaneous Coronary Atherectomy without Intraluminal Device) is a surgical DRG in MDC 05 (Diseases & Disorders of the Circulatory System). Its FY 2026 relative weight is 2.4222 with a geometric mean length of stay of 2.7 days.

How many procedure codes group to DRG 318?

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

What is the relative weight of DRG 318?

The FY 2026 relative weight of this DRG is 2.4222, meaning reimbursement of roughly 2.42 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.

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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.