ARUP's Laboratory Test Directory

Alpha Fetoprotein (Amniotic Fluid) with Reflex to Acetylcholinesterase and Fetal Hemoglobin : 0080427
[ image for: Patient History for Prenatal Cytogenetics]
Patient History for Prenatal Cytogenetics
  


Mnemonic: AFP AF

Methodology: Chemiluminescent Immunoassay/Electrophoresis
Performed: Sun-Sat
Reported: 3-4 days
Reflex: 3-11 days
Specimen Required: Patient Prep: Amniocentesis.

Collect: Amniotic fluid.

Specimen Preparation: Transport 2.5 mL amniotic fluid. (Min: 1.5mL)

Storage/Transport Temperature: Room temperature.

Remarks: Include gestational age at time of collection or estimated due date, physician name and phone number on the test request form.

Unacceptable Conditions: Specimens contaminated with fetal blood.

Stability (collection to initiation of testing): Ambient: 2 weeks; Refrigerated: 4 months; Frozen: 3 years
Reference Interval:
 
Test Number Components Reference Interval
 AFP, Amniotic Fluid By report
Ranges are based upon the weeks of gestation.
2006848Acetylcholinesterase and Fetal Hemoglobin, Amniotic Fluid Acetylcholinesterase: Negative
Fetal Hemoglobin: Negative

Note: Information must include weeks of gestation. If the AFP (amniotic fluid) is elevated, then Acetylcholinesterase will be added. Additional charges apply. Acetylcholinesterase testing requires an additional 3-11 days to be reported.
CPT Code(s): 82106; if reflexed, add 82013 and 83033
Cross References: AFP (Alpha Fetoprotein (Amniotic Fluid) with Reflex to Acetylcholinesterase and Fetal Hemoglobin)