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Test Code Maternal AFP Maternal Serum AFP

Important Note

Special Requisition form MUST be completed by physician's office.  Necessary information includes gestional dating, maternal weight, race, date of birth, twinning, smoking and diabetic status.

Specimen Type

Blood

Minimum Volume

5.0-7.0 mL

Container Type/Storage

Plain Red

Serum/Refrigerate

Special Handling

Please collect specimen at 15-22 weeks.  Weeks 16-18 are best.

Methodology

Immunoassay

Routine Turnaround Time

2-3 days from receipt

Reference Range

Screen positive for open neural tube defects greater than or equal to 2.0 MoM

CPT Codes

82105