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AMA approves E&M documentation changes

The AMA CPT Editorial Panel has approved revised guidelines for new and established office or outpatient visit codes 99202-99215 that woul...

Is their any modifier for repeated tests in laboratories?

Yes, Modifier 91 that denotes "Repeat Clinical Diagnostic Laboratory Test" should be appended to laboratory procedure(s) or service(s) to indicate a repeat test or procedure performed on the same day. This modifier indicates to the carriers or fiscal intermediaries that the physician had to perform a repeat clinical diagnostic laboratory test that was distinct or separate from a lab panel or other lab services performed on the same day, and was performed to obtain medically necessary subsequent reportable test values. This modifier should not be used to report repeat laboratory testing due to laboratory errors, quality control, or confirmation of results. Bill the specific lab code with modifier 91 on one claim line with the total units if greater than 1.
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