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Inpatient Procedure Code

4A030BC

Measurement of Arterial Pressure, Coronary, 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.

PositionValueMeaning
1
Section4

Measurement and Monitoring

2
Body SystemA

Physiological Systems

3
Root Operation0

Measurement

Determining the level of a physiological or physical function at a point in time

4
Body System3

Arterial

5
Approach0

Open

6
Function / DeviceB

Pressure

7
QualifierC

Coronary

Related Codes

Same operation — other Approach

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

4A033BC — Measurement of Arterial Pressure, Coronary, Percutaneous Approach

Same operation — other Function / Device

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

4A0305C — Measurement of Arterial Flow, Coronary, Open Approach, 4A030JC — Measurement of Arterial Pulse, Coronary, Open Approach

Same operation — other Qualifier

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

4A030B1 — Measurement of Arterial Pressure, Peripheral, Open Approach, 4A030B3 — Measurement of Arterial Pressure, Pulmonary, Open Approach, 4A030BF — Measurement of Arterial Pressure, Other Thoracic, Open Approach

Contextual Map

Every relationship of 4A030BC 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

  • 4A0[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]”

Nearest codes

  • 4A0305C — Measurement of Arterial Flow, Coronary, Open Approach [One axis away]
  • 4A030B1 — Measurement of Arterial Pressure, Peripheral, Open Approach [One axis away]
  • 4A030B3 — Measurement of Arterial Pressure, Pulmonary, Open Approach [One axis away]
  • 4A030BF — Measurement of Arterial Pressure, Other Thoracic, Open Approach [One axis away]
  • 4A030JC — Measurement of Arterial Pulse, Coronary, Open Approach [One axis away]
  • 4A033BC — Measurement of Arterial Pressure, Coronary, Percutaneous Approach [One axis away]

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.