Alpha Fetoprotein, Maternal Serum Screen
Abbrev Code: | AFPM | ||
Order Code: | LAB692 | Order Name: | Alpha Fetoprotein Maternal Screen |
Synonyms: | Maternal Serum Screen, Alpha Fetoprotein; AFP | ||
Methodology: | Chemiluminescent immunoassay | ||
CPT Codes: | 82105 x1 | ||
Turnaround Time: | Specimens are sent to the reference laboratory Mon-Sat; results are reported within 2-3 days. | ||
Special Instructions: |
The patient must be between 14-25 weeks gestation. The following information is required and must accompany the sample in order for testing to be interpreted:
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Associated Links: |
Collection Instructions
Specimen: | Blood |
Optimal Volume: | 2 mL |
Minimum\Peds Volume: | 1.2 mL |
Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
Collection Instructions: | Avoid repeated freeze/thaw cycles. |
Causes for Rejection: | Hemolyzed specimens. Plasma. |
Processing and Shipping
Specimen Processing: | Centrifuge and aliquot 1 mL, 0.5 mL minimum, serum within 2 hours of collection. Store in refrigerator. |
Shipping Instructions: | Ship at refrigerated temperature. |
Stability: | After separation from cells: 72 hours at room temperature; 2 weeks refrigerated; 1 year frozen. |
Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
Referral Lab number: | 3000144 |
Interpretive
Reference Range: | By report. |
Use: | This test is used to screen for fetal risk of open neural tube defect (i.e. spina bifida). |
Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 4017"