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.
Honestly.     When a woman experiences the miscarriage, once the Embryo has been expelled from your system, HCG decreases daily until there is no HCG left in your system. It usually takes about two weeks for HCG to be completely eradicated from your system but it can sometimes take as long as four weeks.It is also not unheard of for women to experience pregnancy/light pregnancy symptoms after having a miscarriage for four weeks.   When a woman experiences the miscarriage, once the Embryo has been expelled from your system, HCG decreases daily until there is no HCG left in your system. It usually takes about two weeks for HCG to be completely eradicated from your system but it can sometimes take as long as four weeks.