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.
Report Abuse. You should wait at least 12 days. I know this from experience. I had and hcg shot on june 28th and and iui done two days later. 12 days later i had a blood test done and it was positive. the blood test is suppose to be more accurate. if i were you i would wait at least 12 days. mcdaniel1205 Â· 8 years ago. Thumbs up. 0. Thumbs down.