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Inpatient Procedure Code

04LY0ZZ ICD-10-PCS Code: Occlusion of Lower Artery, 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 System4

Lower Arteries

3
Root OperationL

Occlusion

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

4
Body PartY

Lower Artery

5
Approach0

Open

6
DeviceZ

No 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 9 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.

04LP0ZZ — Occlusion of Right Anterior Tibial Artery, Open Approach, 04LQ0ZZ — Occlusion of Left Anterior Tibial Artery, Open Approach, 04LR0ZZ — Occlusion of Right Posterior Tibial Artery, Open Approach, 04LS0ZZ — Occlusion of Left Posterior Tibial Artery, Open Approach, 04LT0ZZ — Occlusion of Right Peroneal Artery, Open Approach, 04LU0ZZ — Occlusion of Left Peroneal Artery, Open Approach, 04LV0ZZ — Occlusion of Right Foot Artery, Open Approach, 04LW0ZZ — Occlusion of Left Foot Artery, Open Approach, +22 more

Same operation — other Approach

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

04LY3ZZ — Occlusion of Lower Artery, Percutaneous Approach, 04LY4ZZ — Occlusion of Lower Artery, Percutaneous Endoscopic Approach

Same operation — other Device

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

04LY0CZ — Occlusion of Lower Artery with Extraluminal Device, Open Approach, 04LY0DZ — Occlusion of Lower Artery with Intraluminal Device, Open 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.

03LV4ZZ — Occlusion of Left Thyroid Artery, Percutaneous Endoscopic Approach, 03LY0CZ — Occlusion of Upper Artery with Extraluminal Device, Open Approach, 03LY0DZ — Occlusion of Upper Artery with Intraluminal Device, Open Approach, 03LY0ZZ — Occlusion of Upper Artery, Open Approach, 03LY3CZ — Occlusion of Upper Artery with Extraluminal Device, Percutaneous Approach, 03LY3DZ — Occlusion of Upper Artery with Intraluminal Device, Percutaneous Approach, 03LY3ZZ — Occlusion of Upper Artery, Percutaneous Approach, 03LY4CZ — Occlusion of Upper Artery with Extraluminal Device, Percutaneous Endoscopic Approach, 03LY4DZ — Occlusion of Upper Artery with Intraluminal Device, Percutaneous Endoscopic Approach, 03LY4ZZ — Occlusion of Upper Artery, Percutaneous Endoscopic Approach, 05L00CZ — Occlusion of Azygos Vein with Extraluminal Device, Open Approach, 05L00DZ — Occlusion of Azygos Vein with Intraluminal Device, Open Approach, 05L00ZZ — Occlusion of Azygos Vein, Open Approach, 05L03CZ — Occlusion of Azygos Vein with Extraluminal Device, Percutaneous Approach, 05L03DZ — Occlusion of Azygos Vein with Intraluminal Device, Percutaneous Approach, 05L03ZZ — Occlusion of Azygos Vein, Percutaneous Approach, 05L04CZ — Occlusion of Azygos Vein with Extraluminal Device, Percutaneous Endoscopic Approach, 05L04DZ — Occlusion of Azygos Vein with Intraluminal Device, Percutaneous Endoscopic Approach, 05L04ZZ — Occlusion of Azygos Vein, Percutaneous Endoscopic Approach, 05L10CZ — Occlusion of Hemiazygos Vein with Extraluminal Device, Open Approach, +813 more

Contextual Map

Every relationship of 04LY0ZZ 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

MS-DRG participation (9)

Clinical classification (CCSR)

MDC crossing · diagnoses (16966)

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.