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

Bookmark and Share

Developments Developments
Sign up for enewsletter
Get involved Get involved
Discover ways to support Akron Children's
Join the conversation Join the conversation
See what our patient families are saying
Contact Us

330-543-1000 (operator)

(8 a.m.-4:30 p.m.)


find a location
Find a location Type the first 3-5 letters of a specialty, service or location:
Or, view: a map, a list of all locations, locations by city or locations near me.
find a doctor
Find a doctor Type the first 3-5 letters of the name, location or specialty:
Or, view a list of all doctors by name, location and specialty.