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Inpatient Procedure Code

04WY0YZ ICD-10-PCS Code: Revision of Other Device in Lower Artery, Open Approach

Check this code on a claim

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
Approach0

Open

6
DeviceY

Other Device

7
QualifierZ

No Qualifier

MS-DRG Grouper Relationships (FY2027)

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.

04WY3YZ — Revision of Other Device in Lower Artery, Percutaneous Approach, 04WY4YZ — Revision of Other Device in Lower Artery, Percutaneous Endoscopic Approach

Same operation — other Device

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

04WY00Z — Revision of Drainage Device in Lower Artery, Open Approach, 04WY02Z — Revision of Monitoring Device in Lower Artery, Open Approach, 04WY03Z — Revision of Infusion Device in Lower Artery, Open Approach, 04WY07Z — Revision of Autologous Tissue Substitute in Lower Artery, Open Approach, 04WY0CZ — Revision of Extraluminal Device in Lower Artery, Open Approach, 04WY0DZ — Revision of Intraluminal Device in Lower Artery, Open Approach, 04WY0JZ — Revision of Synthetic Substitute in Lower Artery, Open Approach, 04WY0KZ — Revision of Nonautologous Tissue Substitute in Lower Artery, Open Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Cardiovascular device procedures, NEC (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.

04PY3YZ — Removal of Other Device from Lower Artery, Percutaneous Approach, 04PY43Z — Removal of Infusion Device from Lower Artery, Percutaneous Endoscopic Approach, 04PY47Z — Removal of Autologous Tissue Substitute from Lower Artery, Percutaneous Endoscopic Approach, 04PY4CZ — Removal of Extraluminal Device from Lower Artery, Percutaneous Endoscopic Approach, 04PY4DZ — Removal of Intraluminal Device from Lower Artery, Percutaneous Endoscopic Approach, 04PY4JZ — Removal of Synthetic Substitute from Lower Artery, Percutaneous Endoscopic Approach, 04PY4KZ — Removal of Nonautologous Tissue Substitute from Lower Artery, Percutaneous Endoscopic Approach, 04PY4YZ — Removal of Other Device from Lower Artery, Percutaneous Endoscopic Approach, 04PYX3Z — Removal of Infusion Device from Lower Artery, External Approach, 04PYXDZ — Removal of Intraluminal Device from Lower Artery, External Approach, 05H00MZ — Insertion of Neurostimulator Lead into Azygos Vein, Open Approach, 05H03MZ — Insertion of Neurostimulator Lead into Azygos Vein, Percutaneous Approach, 05H04MZ — Insertion of Neurostimulator Lead into Azygos Vein, Percutaneous Endoscopic Approach, 05H30MZ — Insertion of Neurostimulator Lead into Right Innominate Vein, Open Approach, 05H33MZ — Insertion of Neurostimulator Lead into Right Innominate Vein, Percutaneous Approach, 05H34MZ — Insertion of Neurostimulator Lead into Right Innominate Vein, Percutaneous Endoscopic Approach, 05H40MZ — Insertion of Neurostimulator Lead into Left Innominate Vein, Open Approach, 05H43MZ — Insertion of Neurostimulator Lead into Left Innominate Vein, Percutaneous Approach, 05H44MZ — Insertion of Neurostimulator Lead into Left Innominate Vein, Percutaneous Endoscopic Approach, 05HY0YZ — Insertion of Other Device into Upper Vein, Open Approach, +565 more

Contextual Map

Every relationship of 04WY0YZ 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 04WY0YZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation (18)

Clinical classification (CCSR)

MDC crossing · diagnoses (3149)

  • 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 · FY2027
  • 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 · FY2027
  • 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) · FY2027
  • 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) · FY2027
  • 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) · FY2027
  • 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) · FY2027
  • 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) · FY2027
  • and 3144 more

Nearest codes

Change history

Change history

  • FY2018 — October 1, 2017
    Added to the code set
    Revision of Other Device in Lower Artery, Open Approach
    FY2018 changes

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2027; CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44; 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 · How MedCoder verifies its implementation

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources