Effective April 1, 2011, code G0431QW is deleted from the Clinical Laboratory Fee Schedule (CLFS). Code G0431 describes a high complexity test, and should not be reported with a QW modifier; the QW modifier indicates a Clinical Laboratory Improvement Amendments (CLIA) waived test.
If this occurs with insemination or intercourse that is timed correctly, the egg may become fertilized. It is important to remember, however, that the hCG within the trigger shot will stay in your urine for 7 to 10 days so you may get a false positive on a home pregnancy test. Because of this, most doctors will wait at least two weeks to give you a blood test designed to test for hCG levels.
2 doctors weighed in: Can it be a false positive on digital pregnancy test 14 days after taking ovidrel hcg trigger shot 250mcg? 2 doctors weighed in Want a second opinion? You are not picking up Ovidrel trigger after 14 days for sure; it could be a false positive but doesn't sound like one. Good wishes.  Good wishes.