Test Name
Alpha Fetoprotein
Test Code
AFP*
Associations
Order with Cytogenetics Amniotic fluid (CYTO AF)
Reflex Testing
Reflex to Acetycholinesterase (AChE) testing to rule out a neural tube defect (NTD) when AFP levels are significantly elevated.
CPT Codes
82106
Turnaround Time
AFP within 5 days. Acetylcholinesterase testing requires an additional 3-11 days to be reported.
Specimen Requirements
2.5 mL amniotic fluid (Min: 1.5mL)
Specimen Stability
Ambient for 2 weeks Refrigerated for 4 months Frozen for 3 years
Storage & Handling
Store specimen at 2-8°C. Ship on cool/refrigerated pack.
Causes for Rejections
Specimens contaminated with fetal blood, exposed to extreme heat
Description
Prenatal; amniotic fluid
