4A003RDMeasurement of Intracranial Saturation, Percutaneous Approach

Measurement and Monitoring›Physiological Systems›Measurement

Billable / Specific Code

ICD-10-PCS 4A003RD

CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.

4A003RD is a billable ICD-10-PCS procedure code for Measurement of Intracranial Saturation, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Measurement involves determining the level of a physiological or physical function at a point in time.

Code Identity

ICD-10-PCS Code

4A003RD

Billable Status

Yes — Valid for Submission

Code Describes

Measurement of Intracranial Saturation, Percutaneous Approach

Parent Code

4A0

Short Description

Measurement of Intracranial Saturation, Perc Approach

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

Position	Designation	Value	Meaning
1	Section	4	Measurement and Monitoring
2	Body System	A	Physiological Systems
3	Operation	0	Measurement
4	BodySystem	0	Central Nervous
5	Approach	3	Percutaneous
6	Function/Device	R	Saturation
7	Qualifier	D	Intracranial

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 4A003RD under the General Equivalence Mappings.

11.6

Approximate match.

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Questions About 4A003RD

Is 4A003RD a billable code?

Yes. 4A003RD is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Intracranial Saturation, Percutaneous Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 4A003RD mean?

4A003RD breaks down character by character: the 1st character 4 is the Section (Measurement and Monitoring); the 2nd character A is the Body System (Physiological Systems); the 3rd character 0 is the Operation (Measurement); the 4th character 0 is the BodySystem (Central Nervous); the 5th character 3 is the Approach (Percutaneous); the 6th character R is the Function/Device (Saturation); the 7th character D is the Qualifier (Intracranial).

What is the ICD-9-PCS equivalent of 4A003RD?

Under the General Equivalence Mappings, Measurement of Intracranial Saturation, Percutaneous Approach crosswalks to ICD-9-PCS 11.6. The mapping is approximate, so confirm it fits the documentation.