Inpatient Procedure Code
04WY03Z
Revision of Infusion Device in 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.
| Position | Value | Meaning |
|---|---|---|
| 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 | Device3 | Infusion 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 18 MS-DRGs:
- MDC 05 — Other Vascular Procedures: DRG 252, DRG 253, DRG 254
- MDC 10 — Other Endocrine, Nutritional and Metabolic O.R. Procedures: DRG 628, DRG 629, DRG 630
- MDC 17 — Lymphoma and Leukemia with Major O.R. Procedures: DRG 820, DRG 821, DRG 822
- MDC 17 — Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures: DRG 826, DRG 827, DRG 828
- MDC 21 — Other O.R. Procedures for Injuries: DRG 907, DRG 908, DRG 909
- MDC 24 — Other O.R. Procedures for Multiple Significant Trauma: DRG 957, DRG 958, DRG 959
From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 04WY03Z 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
- 04W[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 (18)
- DRG 252 — OTHER VASCULAR PROCEDURES WITH MCC [MS-DRG]: “OTHER VASCULAR PROCEDURES WITH MCC — Other Vascular Procedures (MDC 05)”
- DRG 253 — OTHER VASCULAR PROCEDURES WITH CC [MS-DRG]: “OTHER VASCULAR PROCEDURES WITH CC — Other Vascular Procedures (MDC 05)”
- DRG 254 — OTHER VASCULAR PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER VASCULAR PROCEDURES WITHOUT CC/MCC — Other Vascular Procedures (MDC 05)”
- DRG 628 — OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH MCC [MS-DRG]: “OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH MCC — Other Endocrine, Nutritional and Metabolic O.R. Procedures (MDC 10)”
- DRG 629 — OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH CC [MS-DRG]: “OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH CC — Other Endocrine, Nutritional and Metabolic O.R. Procedures (MDC 10)”
- DRG 630 — OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITHOUT CC/MCC — Other Endocrine, Nutritional and Metabolic O.R. Procedures (MDC 10)”
- DRG 820 — LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURES WITH MCC [MS-DRG]: “LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURES WITH MCC — Lymphoma and Leukemia with Major O.R. Procedures (MDC 17)”
- DRG 821 — LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURES WITH CC [MS-DRG]: “LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURES WITH CC — Lymphoma and Leukemia with Major O.R. Procedures (MDC 17)”
- and 10 more
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.”
- 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.”
- A36.81 — Diphtheritic cardiomyopathy [Same-MDC diagnosis]: “Diphtheritic cardiomyopathy — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
- A39.50 — Meningococcal carditis, unspecified [Same-MDC diagnosis]: “Meningococcal carditis, unspecified — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
- A39.51 — Meningococcal endocarditis [Same-MDC diagnosis]: “Meningococcal endocarditis — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
- A39.52 — Meningococcal myocarditis [Same-MDC diagnosis]: “Meningococcal myocarditis — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
- A39.53 — Meningococcal pericarditis [Same-MDC diagnosis]: “Meningococcal pericarditis — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
- and 3137 more
Nearest codes
- 04WY00Z — Revision of Drainage Device in Lower Artery, Open Approach [One axis away]
- 04WY02Z — Revision of Monitoring Device in Lower Artery, Open Approach [One axis away]
- 04WY07Z — Revision of Autologous Tissue Substitute in Lower Artery, Open Approach [One axis away]
- 04WY0CZ — Revision of Extraluminal Device in Lower Artery, Open Approach [One axis away]
- 04WY0DZ — Revision of Intraluminal Device in Lower Artery, Open Approach [One axis away]
- 04WY0JZ — Revision of Synthetic Substitute in Lower Artery, Open Approach [One axis away]
- 04WY0KZ — Revision of Nonautologous Tissue Substitute in Lower Artery, Open Approach [One axis away]
- 04WY0YZ — Revision of Other Device in Lower Artery, Open Approach [One axis away]
Change history
No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.