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Vanderbilt Pathology Laboratory Services

Test Directory



ALPHA-FETOPROTEIN MATERNAL SERUM (MAF)

Department: Esoteric Chemistry
Test Synonym(s): AFP, MAF, Alpha Fetoprotein Blood
CPT Codes: 82105
Methodology: Chemiluminescent Immunoassay
Reference Range: Pathologist Interpretation of risk for an open neural tube defect
Tube Type: Red top (no gel)
Specimen: Serum
Alternate Specimen: None
Volume: 1 mL
Minimum Volume: 0.5 mL
Temperature: Refrigerated
Stability: Refrigerated: 3 days, Frozen: 2 months
Reasons for Rejection: Incomplete maternal/fetal information
Days Performed: Monday - Friday
Times Performed: 8:00 a.m. - 4:00 p.m.
TAT: 1 day
Significance: This Assay is for Maternal Serum Testing only - not intended as a tumor marker.
Special Instructions: Samples collected from patients between 15 weeks, 0 days and 21 weeks, 6 days gestation will be accepted for this screening test. Complete Maternal/Fetal information sheet is required. Complete Maternal/Fetal information sheet is required.
Click here to print the Fetal Risk Information Sheet.

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