In the instance where a diagnostic mammogram is converted from screening mammogram on the same day, for the same patient, the coder should append modifier:

Name: In the instance where a diagnostic mammogram is converted from screening mammogram on the same day, for the same patient, the coder should append modifier:
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Question

Quizplus · Accepted Answer

Modifier GH is used to indicate that a screening mammogram was converted to a diagnostic mammogram on the same day, for the same patient.

In the Instance Where a Diagnostic Mammogram Is Converted from Screening