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Inpatient Procedure Code

03LM4CZ ICD-10-PCS Code: Occlusion of Right External Carotid Artery with Extraluminal Device, Percutaneous Endoscopic Approach

Occlusion R Ext Carotid w Extralum Dev, Perc Endo

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 PartM

External Carotid Artery, Right

5
Approach4

Percutaneous Endoscopic

6
DeviceC

Extraluminal Device

7
QualifierZ

No Qualifier

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 15 MS-DRGs:

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

Related Codes

Same operation — other Body Part

Same table and root operation, differing only in the body part character.

03LH4CZ — Occlusion of Right Common Carotid Artery with Extraluminal Device, Percutaneous Endoscopic Approach, 03LJ4CZ — Occlusion of Left Common Carotid Artery with Extraluminal Device, Percutaneous Endoscopic Approach, 03LK4CZ — Occlusion of Right Internal Carotid Artery with Extraluminal Device, Percutaneous Endoscopic Approach, 03LL4CZ — Occlusion of Left Internal Carotid Artery with Extraluminal Device, Percutaneous Endoscopic Approach, 03LN4CZ — Occlusion of Left External Carotid Artery with Extraluminal Device, Percutaneous Endoscopic Approach, 03LP4CZ — Occlusion of Right Vertebral Artery with Extraluminal Device, Percutaneous Endoscopic Approach, 03LQ4CZ — Occlusion of Left Vertebral Artery with Extraluminal Device, Percutaneous Endoscopic Approach, 03LR4CZ — Occlusion of Face Artery with Extraluminal Device, Percutaneous Endoscopic Approach, +21 more

Same operation — other Approach

Same table and root operation, differing only in the approach character.

03LM0CZ — Occlusion of Right External Carotid Artery with Extraluminal Device, Open Approach, 03LM3CZ — Occlusion of Right External Carotid Artery with Extraluminal Device, Percutaneous Approach

Same operation — other Device

Same table and root operation, differing only in the device character.

03LM4BZ — Occlusion of Right External Carotid Artery with Bioactive Intraluminal Device, Percutaneous Endoscopic Approach, 03LM4DZ — Occlusion of Right External Carotid Artery with Intraluminal Device, Percutaneous Endoscopic Approach, 03LM4ZZ — Occlusion of Right External Carotid Artery, Percutaneous Endoscopic Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Ligation and embolization of vessels (Cardiovascular Procedures); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.

02LV0DZ — Occlusion of Superior Vena Cava with Intraluminal Device, Open Approach, 02LV0ZZ — Occlusion of Superior Vena Cava, Open Approach, 02LV3CZ — Occlusion of Superior Vena Cava with Extraluminal Device, Percutaneous Approach, 02LV3DZ — Occlusion of Superior Vena Cava with Intraluminal Device, Percutaneous Approach, 02LV3ZZ — Occlusion of Superior Vena Cava, Percutaneous Approach, 02LV4CZ — Occlusion of Superior Vena Cava with Extraluminal Device, Percutaneous Endoscopic Approach, 02LV4DZ — Occlusion of Superior Vena Cava with Intraluminal Device, Percutaneous Endoscopic Approach, 02LV4ZZ — Occlusion of Superior Vena Cava, Percutaneous Endoscopic Approach, 02LW0DJ — Occlusion of Thoracic Aorta, Descending with Intraluminal Device, Temporary, Open Approach, 02LW3DJ — Occlusion of Thoracic Aorta, Descending with Intraluminal Device, Temporary, Percutaneous Approach, 04L00CZ — Occlusion of Abdominal Aorta with Extraluminal Device, Open Approach, 04L00DJ — Occlusion of Abdominal Aorta with Intraluminal Device, Temporary, Open Approach, 04L00DZ — Occlusion of Abdominal Aorta with Intraluminal Device, Open Approach, 04L00ZZ — Occlusion of Abdominal Aorta, Open Approach, 04L03CZ — Occlusion of Abdominal Aorta with Extraluminal Device, Percutaneous Approach, 04L03DJ — Occlusion of Abdominal Aorta with Intraluminal Device, Temporary, Percutaneous Approach, 04L03DZ — Occlusion of Abdominal Aorta with Intraluminal Device, Percutaneous Approach, 04L03ZZ — Occlusion of Abdominal Aorta, Percutaneous Approach, 04L04CZ — Occlusion of Abdominal Aorta with Extraluminal Device, Percutaneous Endoscopic Approach, 04L04DZ — Occlusion of Abdominal Aorta with Intraluminal Device, Percutaneous Endoscopic Approach, +833 more

Contextual Map

Every relationship of 03LM4CZ 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.

Run 03LM4CZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation (15)

Clinical classification (CCSR)

MDC crossing · diagnoses (5924)

  • MDC 01 — Diseases and Disorders of the Nervous System[MDC crossing]: “Diseases and Disorders of the Nervous 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.”— CMS MS-DRG Definitions Manual · FY2026
  • MDC 03 — Diseases and Disorders of the Ear, Nose, Mouth and Throat[MDC crossing]: “Diseases and Disorders of the Ear, Nose, Mouth and Throat — 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.”— CMS MS-DRG Definitions Manual · FY2026
  • A02.21 — Salmonella meningitis[Same-MDC diagnosis]: “Salmonella meningitis — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A06.6 — Amebic brain abscess[Same-MDC diagnosis]: “Amebic brain abscess — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A17.0 — Tuberculous meningitis[Same-MDC diagnosis]: “Tuberculous meningitis — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A17.1 — Meningeal tuberculoma[Same-MDC diagnosis]: “Meningeal tuberculoma — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A17.81 — Tuberculoma of brain and spinal cord[Same-MDC diagnosis]: “Tuberculoma of brain and spinal cord — grouped in MDC 01, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • and 5919 more

Nearest codes

Change history

No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2026 (April) onward. Note changes are not tracked.

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2026 (April); CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43; AHRQ HCUP Clinical Classifications Software Refined for ICD-10-PCS Procedures (hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR_v2026-1.zip) — v2026.1. All data sources · How to read the labels