Specimen Transport
Articles & Testing Guides
Education
Outreach Resource Center
- Support Services
- Operations
- Sales and Marketing
- Billing and Finance
- Examples
- More Resources
- Contact Outreach Team
| Web: | MayoMedicalLaboratories.com |
|---|---|
| Email: | mml@mayo.edu |
| Telephone: | 800.533.1710 |
| International: | 507.266.5700 |
| Values are valid only on day of printing. | |
Draw blood in a plain, red-top tube(s) or a serum gel tube(s).
Spin down immediately and send 1 mL of maternal serum
refrigerated.
Note: 1. The following information is required for processing:
A. Maternal date of birth (not age), weight, race, and
number of fetuses
Note: Clinical interpretation is not possible if 3 or more
fetuses are present or in twin pregnancies with a
insulin-dependent diabetic mother.
B. Is patient an insulin-dependent diabetic?
C. Gestational age calculation (provide at least 1 of the following):
1. Date of ultrasound and gestation by ultrasound on the
date ultrasound was performed
Note: Do not extrapolate to draw date.
Twin pregnancies must have ultrasound
information included.
2. First day of last menstrual period (LMP)
3. Gestation by physical exam
4. Expected date of delivery, must specify by LMP
or ultrasound.
D. In vitro fertilization pregnancy-please provide donor
date of birth as this may have a significant impact on
calculated screen risk.
2. Gestational age must be between 15 and 22 weeks for neural
tube interpretation; 16 to 18 weeks is optimal. Down syndrome and
trisomy 18 risk interpretation is provided for specimens that are
between 14 and 22 weeks gestational age.
3. Please complete and submit a "Second Trimester Maternal Screening
Alpha-Fetoprotein (AFP)/Quad Screen Patient Information
Sheet" (Supply T595) in Special Instructions. Forward it with the
specimen, or send the information electronically.
4. If this is a repeat analysis, please note previous laboratory
control number.
5. Patient education brochures in English (Supply T522) and
Spanish (Supply T534) are available upon request.
Refrig\Frozen OK\Ambient NO
Specimens Other Than: Serum
Anticoagulants Other Than: N/A
Hemolysis: Red Reject; Pink OK
Thawing: Warm < or = 7 days; Cold OK
Lipemia: No
Monday through Friday; 5 a.m.-5 p.m., Saturday; 6 a.m.-1 p.m.