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Methodology: Chemiluminescent Immunoassay (CLIA)
Edit Date: 6/11/2010
Performed: Monday-Friday
Released: Same day as tested
CPT Code: 82106
Specimen Collection Details
Collection: Amniotic fluid in a clean, unused container. Include patient’s gestational age in weeks.
Handling: Refrigerate. Do not freeze.
Stability: 7 days refrigerated.
Standard Volume: 2 mL amniotic fluid.
Minimum Volume: 0.5 mL amniotic fluid.
Transport: Refrigerated.
Comments: Specimen contaminated with red cells will be tested to determine if they are fetal or adult. Visibly bloody specimen will be examined for fetal RBCs by Kleihauer-Betke technique or fetal Hgb methods. Amniotic fluid specimen contaminated with fetal blood may exhibit abnormally high AFP values. Patients with an amniotic fluid AFP ≥ 2 MOM are at increased risk for a neural tube defect or ventral wall defect and should have amniotic fluid acetylcholinesterase determined. The ordering physician will be notified of the abnormal results and a request for acetylcholinesterase can be made at that time.

See patient report. Ranges are based on the weeks of gestation.

PeaceHealth Laboratories