4A01029Measurement of Peripheral Nervous Conductivity, Sensory, Open Approach

Measurement and Monitoring›Physiological Systems›Measurement
  • Billable / Specific Code
ICD-10-PCS 4A01029
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

4A01029 is a billable ICD-10-PCS procedure code for Measurement of Peripheral Nervous Conductivity, Sensory, Open 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
4A01029
Billable Status
Yes — Valid for Submission
Code Describes
Measurement of Peripheral Nervous Conductivity, Sensory, Open Approach
Parent Code
4A0
Short Description
Measurement of PNS Conductivity, Sensory, Open 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.

PositionDesignationValueMeaning
1Section4Measurement and Monitoring
2Body SystemAPhysiological Systems
3Operation0Measurement
4BodySystem1Peripheral Nervous
5Approach0Open
6Function/Device2Conductivity
7Qualifier9Sensory

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 4A01029 under the General Equivalence Mappings.

89.15
Approximate match.

Similar Procedure Codes

Questions About 4A01029

Is 4A01029 a billable code?

Yes. 4A01029 is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Peripheral Nervous Conductivity, Sensory, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 4A01029 mean?

4A01029 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 1 is the BodySystem (Peripheral Nervous); the 5th character 0 is the Approach (Open); the 6th character 2 is the Function/Device (Conductivity); the 7th character 9 is the Qualifier (Sensory).

What is the ICD-9-PCS equivalent of 4A01029?

Under the General Equivalence Mappings, Measurement of Peripheral Nervous Conductivity, Sensory, Open Approach crosswalks to ICD-9-PCS 89.15. The mapping is approximate, so confirm it fits the documentation.