Specimen: 2 mL (1 mL min.) Serum from 1 SST. Ship refrigerated or frozen.
Stability (Room): 6 hrs
Stability (Refrigerated): 1 week
Stability (Frozen): 2 weeks
Comment: Also see MATERNAL SERUM SCREEN 2.
Price: Contact Medilab
Turnaround time (TAT): Daily
Usage: Maternal serum Free beta HCG assessment between 9-13 weeks, has significant utility in first Trimester Prenatal Screening for Down Syndrome and other chromosomal anomalies. This test also helps in the diagnosis and monitoring of Trophoblastic diseases and certain Testicular tumors where ratio of Free beta HCG to Total HCG is high. Some tumors secrete only free beta HCG and virtually no Total HCG is detected.
Disease: Prenatal Diagnosis
Home Collection: Available
Pre-test Information: No special preparation required