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Inpatient Procedure Code

4A1335C ICD-10-PCS Code: Monitoring of Arterial Flow, Coronary, Percutaneous 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
Section4

Measurement and Monitoring

2
Body SystemA

Physiological Systems

3
Root Operation1

Monitoring

Determining the level of a physiological or physical function repetitively over a period of time

4
Body System3

Arterial

5
Approach3

Percutaneous

6
Function / Device5

Flow

7
QualifierC

Coronary

Related Codes

Same operation — other Approach

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

4A1305C — Monitoring of Arterial Flow, Coronary, Open Approach

Same operation — other Function / Device

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

4A133BC — Monitoring of Arterial Pressure, Coronary, Percutaneous Approach, 4A133JC — Monitoring of Arterial Pulse, Coronary, Percutaneous Approach

Same operation — other Qualifier

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

4A13351 — Monitoring of Arterial Flow, Peripheral, Percutaneous Approach, 4A13353 — Monitoring of Arterial Flow, Pulmonary, Percutaneous Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Measurement during cardiac catheterization (Measurement and Monitoring); 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.

4A020N6 — Measurement of Cardiac Sampling and Pressure, Right Heart, Open Approach, 4A020N7 — Measurement of Cardiac Sampling and Pressure, Left Heart, Open Approach, 4A020N8 — Measurement of Cardiac Sampling and Pressure, Bilateral, Open Approach, 4A023N6 — Measurement of Cardiac Sampling and Pressure, Right Heart, Percutaneous Approach, 4A023N7 — Measurement of Cardiac Sampling and Pressure, Left Heart, Percutaneous Approach, 4A023N8 — Measurement of Cardiac Sampling and Pressure, Bilateral, Percutaneous Approach, 4A027N6 — Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening, 4A027N7 — Measurement of Cardiac Sampling and Pressure, Left Heart, Via Natural or Artificial Opening, 4A027N8 — Measurement of Cardiac Sampling and Pressure, Bilateral, Via Natural or Artificial Opening, 4A028N6 — Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening Endoscopic, 4A028N7 — Measurement of Cardiac Sampling and Pressure, Left Heart, Via Natural or Artificial Opening Endoscopic, 4A028N8 — Measurement of Cardiac Sampling and Pressure, Bilateral, Via Natural or Artificial Opening Endoscopic, XXE3X58 — Measurement of Coronary Artery Flow, Quantitative Flow Ratio Analysis, New Technology Group 8, XXE3X68 — Measurement of Coronary Artery Flow, Computer-aided Valve Modeling and Notification, New Technology Group 8

Contextual Map

Every relationship of 4A1335C 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

Clinical classification (CCSR)

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