Pathology & Laboratories - QW modifier

agongora1

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Can you please define the QW modifier (besides that it's a Clinical Laboratories Improvement Act) & who can bill for these test? If a doctor (Family Practice doctor) is a CLIA certified can he bill for these test with the QW appended??? Or is this for Laboratories & Pathology ONLY???
Example: If pt comes in to the Family Practice office to have (CLIA) lab work done ONLY & the office collects the specimen & sends it to the laboratory. Can the Famliy Practice doctor bill for those labs? with the QW modifier appended?
 
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Herbie Lorona

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If it is sent to the lab then you should only bill for the drawing. If the patient comes in and does a urinalysis by dip stick you would bill 81003 with the QW modifier and the CLIA number in box 23 of the hcfa.
 
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