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Inpatient Procedure Code

04WY43Z ICD-10-PCS Code: Revision of Infusion Device in Lower Artery, Percutaneous Endoscopic Approach

Revision of Infusion Device in Low Art, Perc Endo 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 OperationW

Revision

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

4
Body PartY

Lower Artery

5
Approach4

Percutaneous Endoscopic

6
Device3

Infusion 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 18 MS-DRGs:

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

Related Codes

Same operation — other Approach

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

04WY03Z — Revision of Infusion Device in Lower Artery, Open Approach, 04WY33Z — Revision of Infusion Device in Lower Artery, Percutaneous Approach, 04WYX3Z — Revision of Infusion Device in Lower Artery, External Approach

Same operation — other Device

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

04WY40Z — Revision of Drainage Device in Lower Artery, Percutaneous Endoscopic Approach, 04WY42Z — Revision of Monitoring Device in Lower Artery, Percutaneous Endoscopic Approach, 04WY47Z — Revision of Autologous Tissue Substitute in Lower Artery, Percutaneous Endoscopic Approach, 04WY4CZ — Revision of Extraluminal Device in Lower Artery, Percutaneous Endoscopic Approach, 04WY4DZ — Revision of Intraluminal Device in Lower Artery, Percutaneous Endoscopic Approach, 04WY4JZ — Revision of Synthetic Substitute in Lower Artery, Percutaneous Endoscopic Approach, 04WY4KZ — Revision of Nonautologous Tissue Substitute in Lower Artery, Percutaneous Endoscopic Approach, 04WY4YZ — Revision of Other Device in Lower 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 Venous and arterial catheter placement (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.

04HY02Z — Insertion of Monitoring Device into Lower Artery, Open Approach, 04HY03Z — Insertion of Infusion Device into Lower Artery, Open Approach, 04HY32Z — Insertion of Monitoring Device into Lower Artery, Percutaneous Approach, 04HY33Z — Insertion of Infusion Device into Lower Artery, Percutaneous Approach, 04HY42Z — Insertion of Monitoring Device into Lower Artery, Percutaneous Endoscopic Approach, 04HY43Z — Insertion of Infusion Device into Lower Artery, Percutaneous Endoscopic Approach, 04PY02Z — Removal of Monitoring Device from Lower Artery, Open Approach, 04PY32Z — Removal of Monitoring Device from Lower Artery, Percutaneous Approach, 04PY42Z — Removal of Monitoring Device from Lower Artery, Percutaneous Endoscopic Approach, 04PYX2Z — Removal of Monitoring Device from Lower Artery, External Approach, 05H002Z — Insertion of Monitoring Device into Azygos Vein, Open Approach, 05H003Z — Insertion of Infusion Device into Azygos Vein, Open Approach, 05H032Z — Insertion of Monitoring Device into Azygos Vein, Percutaneous Approach, 05H033Z — Insertion of Infusion Device into Azygos Vein, Percutaneous Approach, 05H042Z — Insertion of Monitoring Device into Azygos Vein, Percutaneous Endoscopic Approach, 05H043Z — Insertion of Infusion Device into Azygos Vein, Percutaneous Endoscopic Approach, 05H103Z — Insertion of Infusion Device into Hemiazygos Vein, Open Approach, 05H133Z — Insertion of Infusion Device into Hemiazygos Vein, Percutaneous Approach, 05H143Z — Insertion of Infusion Device into Hemiazygos Vein, Percutaneous Endoscopic Approach, 05H303Z — Insertion of Infusion Device into Right Innominate Vein, Open Approach, +523 more

Contextual Map

Every relationship of 04WY43Z 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 04WY43Z with these 5 related codes in Claim Check

PCS table

MS-DRG participation (18)

Clinical classification (CCSR)

MDC crossing · diagnoses (3142)

  • 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.”— CMS MS-DRG Definitions Manual · FY2026
  • MDC 10 — Endocrine, Nutritional and Metabolic Diseases and Disorders[MDC crossing]: “Endocrine, Nutritional and Metabolic Diseases and Disorders — 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
  • A36.81 — Diphtheritic cardiomyopathy[Same-MDC diagnosis]: “Diphtheritic cardiomyopathy — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A39.50 — Meningococcal carditis, unspecified[Same-MDC diagnosis]: “Meningococcal carditis, unspecified — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A39.51 — Meningococcal endocarditis[Same-MDC diagnosis]: “Meningococcal endocarditis — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A39.52 — Meningococcal myocarditis[Same-MDC diagnosis]: “Meningococcal myocarditis — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A39.53 — Meningococcal pericarditis[Same-MDC diagnosis]: “Meningococcal pericarditis — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • and 3137 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