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  6. 4A07X0Z
  • Version 2025
  • Billable Code

2025 ICD-10-CM Procedure Code 4A07X0Z

Measurement of Visual Acuity, External Approach

ICD-10-PCS Code:
4A07X0Z
ICD-10-PCS Code for:
Measurement of Visual Acuity, External Approach
Is Billable?
Yes - Valid for Submission
Code Navigator:

4A07X0Z is a billable procedure code used to specify the performance of measurement of visual acuity, external approach. The code is valid for the year 2025 for the submission of HIPAA-covered transactions.

Table of Contents

  1. Code Information
  2. PCS Table
  3. Other Similar Codes

4A07X0Z PCS Table

In an PCS table each code is represented by up seven alphanumeric characters, with each character in the table respresenting different aspects of the procedure. In the table provided below, each row represents an individual character and includes information about the character's position, designation, label, and procedure notes. For this PCS table the procedure code is in the measurement and monitoring section and is part of the physiological systems body system, classified under measurement operation. The applicable bodysystem for this procedure code is visual.

Position Designation Character Label Procedures Notes
1 Section 4 Measurement and Monitoring
2 Body System A Physiological Systems
3 Operation 0 Measurement
4 BodySystem 7 Visual  
5 Approach X External
6 Function/Device 0 Acuity
7 Qualifier Z No Qualifier

Explanation:
The value Z is used for the seventh character to indicate that a specific qualifier does not apply to the procedure.

Other ICD-10-PCS Codes Used for Measurement Visual


  • 4A07X7Z Measurement of Visual Mobility, External Approach
  • 4A07XBZ Measurement of Visual Pressure, External Approach

What is ICD-10-PCS?

The ICD-10 Procedure Coding System (ICD-10-PCS) is a catalog of procedural codes used by medical professionals for hospital inpatient healthcare settings. The Centers for Medicare and Medicaid Services (CMS) maintain the catalog in the U.S. releasing yearly updates. The 2025 ICD-10-PCS codes are to be used for discharges occurring from October 1, 2024 through September 30, 2025.

Each ICD-10-PCS code has a structure of seven alphanumeric characters and contains no decimals. The first character defines the major "section". Depending on the "section" the second through seventh characters mean different things.