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.
However, since hCG levels are near their peak at about 10 to 12 weeks LMP, hCG levels may still be high enough 2 weeks following an abortion that pregnancy testsâboth blood-based and urineâwill still be positive. Sensitive pregnancy tests, including commonly-used office or home use urine test kits are likely to be positive between 16 to 60 days.