03HY42Z ICD-10-PCS Code: Insertion of Monitoring Device into Upper Artery, Percutaneous Endoscopic Approach
Insertion of Monitor Dev into Up 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.
| Position | Value | Meaning |
|---|---|---|
| 1 | Section0 | Medical and Surgical |
| 2 | Body System3 | Upper Arteries |
| 3 | Root OperationH | Insertion Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part |
| 4 | Body PartY | Upper Artery |
| 5 | Approach4 | Percutaneous Endoscopic |
| 6 | Device2 | Monitoring 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 3 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.
03HY02Z — Insertion of Monitoring Device into Upper Artery, Open Approach, 03HY32Z — Insertion of Monitoring Device into Upper Artery, Percutaneous Approach
Same operation — other Device
Same table and root operation, differing only in the device character.
03HY43Z — Insertion of Infusion Device into Upper Artery, Percutaneous Endoscopic Approach, 03HY4DZ — Insertion of Intraluminal Device into Upper Artery, Percutaneous Endoscopic Approach, 03HY4YZ — Insertion of Other Device into Upper 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.
02WAX2Z — Revision of Monitoring Device in Heart, External Approach, 02WAX3Z — Revision of Infusion Device in Heart, External Approach, 02WY02Z — Revision of Monitoring Device in Great Vessel, Open Approach, 02WY03Z — Revision of Infusion Device in Great Vessel, Open Approach, 02WY32Z — Revision of Monitoring Device in Great Vessel, Percutaneous Approach, 02WY33Z — Revision of Infusion Device in Great Vessel, Percutaneous Approach, 02WY42Z — Revision of Monitoring Device in Great Vessel, Percutaneous Endoscopic Approach, 02WY43Z — Revision of Infusion Device in Great Vessel, Percutaneous Endoscopic Approach, 02WYX2Z — Revision of Monitoring Device in Great Vessel, External Approach, 02WYX3Z — Revision of Infusion Device in Great Vessel, External Approach, 03PY02Z — Removal of Monitoring Device from Upper Artery, Open Approach, 03PY32Z — Removal of Monitoring Device from Upper Artery, Percutaneous Approach, 03PY42Z — Removal of Monitoring Device from Upper Artery, Percutaneous Endoscopic Approach, 03PYX2Z — Removal of Monitoring Device from Upper Artery, External Approach, 03WY02Z — Revision of Monitoring Device in Upper Artery, Open Approach, 03WY03Z — Revision of Infusion Device in Upper Artery, Open Approach, 03WY32Z — Revision of Monitoring Device in Upper Artery, Percutaneous Approach, 03WY33Z — Revision of Infusion Device in Upper Artery, Percutaneous Approach, 03WY42Z — Revision of Monitoring Device in Upper Artery, Percutaneous Endoscopic Approach, 03WY43Z — Revision of Infusion Device in Upper Artery, Percutaneous Endoscopic Approach, +438 more
Contextual Map
Every relationship of 03HY42Z 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 03HY42Z with these 5 related codes in Claim Check
PCS table
- 03H[PCS table]— CMS ICD-10-PCS tables
- Medical and Surgical — Section: Medical and Surgical[Section]: “Medical and Surgical”— CMS ICD-10-PCS tables
- Upper Arteries — Body System: Upper Arteries[Body System]: “Upper Arteries”— CMS ICD-10-PCS tables
- Insertion — Operation: Insertion[Operation]: “Insertion”— CMS ICD-10-PCS tables
MS-DRG participation
- DRG 252 — OTHER VASCULAR PROCEDURES WITH MCC[MS-DRG]: “OTHER VASCULAR PROCEDURES WITH MCC — Other Vascular Procedures (MDC 05)”— CMS MS-DRG Definitions Manual (Appendix E) · FY2026
- DRG 253 — OTHER VASCULAR PROCEDURES WITH CC[MS-DRG]: “OTHER VASCULAR PROCEDURES WITH CC — Other Vascular Procedures (MDC 05)”— CMS MS-DRG Definitions Manual (Appendix E) · FY2026
- DRG 254 — OTHER VASCULAR PROCEDURES WITHOUT CC/MCC[MS-DRG]: “OTHER VASCULAR PROCEDURES WITHOUT CC/MCC — Other Vascular Procedures (MDC 05)”— CMS MS-DRG Definitions Manual (Appendix E) · FY2026
Clinical classification (CCSR)
- CAR024 — Venous and arterial catheter placement[CCSR category]: “Venous and arterial catheter placement — Cardiovascular Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1
MDC crossing · diagnoses (1844)
- 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
- 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 1839 more
Nearest codes
- 03HY02Z — Insertion of Monitoring Device into Upper Artery, Open Approach[One axis away]— CMS ICD-10-PCS tables
- 03HY32Z — Insertion of Monitoring Device into Upper Artery, Percutaneous Approach[One axis away]— CMS ICD-10-PCS tables
- 03HY43Z — Insertion of Infusion Device into Upper Artery, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 03HY4DZ — Insertion of Intraluminal Device into Upper Artery, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 03HY4YZ — Insertion of Other Device into Upper Artery, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
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