4A07X0ZBillable procedure code
Measurement of Visual Acuity, External Approach
Measurement and Monitoring·Physiological Systems·Table 4A0·FY 2027
Measurement of Visual Acuity, External Approach corresponds to ICD-10-PCS code 4A07X0Z, found in table 4A0, part of Section 4 (Measurement and Monitoring). It applies to the Physiological Systems body system. Its root operation is Measurement. The approach used is External.
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What the code means
Measurement: root operation
Determining the level of a physiological or physical function at a point in time
External: approach
Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane