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.
Rating Newest Oldest. Best Answer: The pregnancy tests will read hcg levels in your urine. Hcg levels should drop after a miscarriage, usually within several days. So, it will read negative after a miscarriage. However, there is no mistaking the symptoms for miscarriage-so by the time its negative you will already know.est Answer: The pregnancy tests will read hcg levels in your urine. Hcg levels should drop after a miscarriage, usually within several days.