Triscreen, CWRU

Centralized Core Laboratory:Chemistry

Test ID/Workstation: TRICW CWRU

Specimen Type: Blood

Tube Type: Red top (no anticoagulant) tube or Gold Top SST (serum separator tube, no anticoagulant)

Collection Volume: 7.0mL (min 5.0mL)

Cause for rejection: Specimen hemolyzed; sample other than serum; sample drawn after amniocentesis; gestational age <15 weeks or > 25 weeks; gross lipemia

Storage: Refrigerated

Availability: Sent to reference lab

Methodology: Two-site Fluoroimmunometric Assay; Time Result Fluoroimmuno Assay

Special Instructions: Testing Sun-Thurs preferred. A Children's Hospital Prenatal Screen Request Form (or similar from a prescribing doctor) must be fully completed and sent with specimen to the lab.

Lab/Phone: 330-543-8418

TAT: 1-3 days

Additional Info: Reference range is gestational age dependent; available on patient report

CPT Code: 82677

Synonyms: Second trimester triple check

Requisition Form
View and print a requisition form for this test

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