Skip to main content
ICD-10-PCS/03L/03L40DZ
Inpatient Procedure Code

03L40DZ

Occlusion of Left Subclavian Artery with Intraluminal Device, Open Approach

Occlusion of L Subclav Art with Intralum Dev, Open Approach

Axis Breakdown

Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body System3

Upper Arteries

3
Root OperationL

Occlusion

Completely closing an orifice or the lumen of a tubular body part

4
Body Part4

Subclavian Artery, Left

5
Approach0

Open

6
DeviceD

Intraluminal Device

7
QualifierZ

No Qualifier

Potential MS-DRG Relationships (FY2026)

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 13 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Contextual Map

Every relationship of 03L40DZ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

PCS table

  • 03L[PCS table]
  • [object Object] — Section: [object Object] [Section]: “[object Object]”
  • [object Object] — Body System: [object Object] [Body System]: “[object Object]”
  • [object Object] — Operation: [object Object] [Operation]: “[object Object]”

MS-DRG participation (13)

  • DRG 163 — MAJOR CHEST PROCEDURES WITH MCC [MS-DRG]: “MAJOR CHEST PROCEDURES WITH MCC — Major Chest Procedures (MDC 04)”
  • DRG 164 — MAJOR CHEST PROCEDURES WITH CC [MS-DRG]: “MAJOR CHEST PROCEDURES WITH CC — Major Chest Procedures (MDC 04)”
  • DRG 165 — MAJOR CHEST PROCEDURES WITHOUT CC/MCC [MS-DRG]: “MAJOR CHEST PROCEDURES WITHOUT CC/MCC — Major Chest Procedures (MDC 04)”
  • DRG 209 — COMPLEX AORTIC ARCH PROCEDURES [MS-DRG]: “COMPLEX AORTIC ARCH PROCEDURES — Complex Aortic Arch Procedures (MDC 05)”
  • DRG 270 — OTHER MAJOR CARDIOVASCULAR PROCEDURES WITH MCC [MS-DRG]: “OTHER MAJOR CARDIOVASCULAR PROCEDURES WITH MCC — Other Major Cardiovascular Procedures (MDC 05)”
  • DRG 271 — OTHER MAJOR CARDIOVASCULAR PROCEDURES WITH CC [MS-DRG]: “OTHER MAJOR CARDIOVASCULAR PROCEDURES WITH CC — Other Major Cardiovascular Procedures (MDC 05)”
  • DRG 272 — OTHER MAJOR CARDIOVASCULAR PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER MAJOR CARDIOVASCULAR PROCEDURES WITHOUT CC/MCC — Other Major Cardiovascular Procedures (MDC 05)”
  • DRG 326 — STOMACH, ESOPHAGEAL AND DUODENAL PROCEDURES WITH MCC [MS-DRG]: “STOMACH, ESOPHAGEAL AND DUODENAL PROCEDURES WITH MCC — Stomach, Esophageal and Duodenal Procedures (MDC 06)”
  • and 5 more

MDC crossing · diagnoses (3720)

  • MDC 04 — Diseases and Disorders of the Respiratory System [MDC crossing]: “Diseases and Disorders of the Respiratory System — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • MDC 05 — Diseases and Disorders of the Circulatory System [MDC crossing]: “Diseases and Disorders of the Circulatory System — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • A02.22 — Salmonella pneumonia [Same-MDC diagnosis]: “Salmonella pneumonia — grouped in MDC 04, the diagnosis side of this code's crossing.” · check together
  • A06.5 — Amebic lung abscess [Same-MDC diagnosis]: “Amebic lung abscess — grouped in MDC 04, the diagnosis side of this code's crossing.” · check together
  • A15.0 — Tuberculosis of lung [Same-MDC diagnosis]: “Tuberculosis of lung — grouped in MDC 04, the diagnosis side of this code's crossing.” · check together
  • A15.4 — Tuberculosis of intrathoracic lymph nodes [Same-MDC diagnosis]: “Tuberculosis of intrathoracic lymph nodes — grouped in MDC 04, the diagnosis side of this code's crossing.” · check together
  • A15.5 — Tuberculosis of larynx, trachea and bronchus [Same-MDC diagnosis]: “Tuberculosis of larynx, trachea and bronchus — grouped in MDC 04, the diagnosis side of this code's crossing.” · check together
  • and 3715 more

Nearest codes

  • 03L00DZ — Occlusion of Right Internal Mammary Artery with Intraluminal Device, Open Approach [One axis away]
  • 03L10DZ — Occlusion of Left Internal Mammary Artery with Intraluminal Device, Open Approach [One axis away]
  • 03L20DZ — Occlusion of Innominate Artery with Intraluminal Device, Open Approach [One axis away]
  • 03L30DZ — Occlusion of Right Subclavian Artery with Intraluminal Device, Open Approach [One axis away]
  • 03L40CZ — Occlusion of Left Subclavian Artery with Extraluminal Device, Open Approach [One axis away]
  • 03L40ZZ — Occlusion of Left Subclavian Artery, Open Approach [One axis away]
  • 03L43DZ — Occlusion of Left Subclavian Artery with Intraluminal Device, Percutaneous Approach [One axis away]
  • 03L44DZ — Occlusion of Left Subclavian Artery with Intraluminal Device, Percutaneous Endoscopic Approach [One axis away]

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.