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Test Code FETSC Fetal Screen, Blood


Red Cell Agglutination

Note:  This test is performed on Rh-negative mothers only.

Performing Laboratory

Aspen Valley Hospital

Physician Office Specimen Requirements

Submit only 1 of the following specimens:




Container/Tube:  Pink-top (EDTA) tube(s)

Specimen:  10 mL (minimum volume:  2 mL) of EDTA whole blood

Transport Temperature:  Ambient

Collection Instructions:  Specimen must be drawn from mother ≤48 hours after delivery.

Note:  1. Indicate blood on request form.

2. Label tube(s) with the patient’s name (first and last), date and actual time of draw, initials of phlebotomist, and as blood.



Reference Values


Note:  If a positive result is obtained, a Kleihauer-Betke test will automatically be ordered and sent to Valley View Hospital in Glenwood Springs, Colorado at an additional charge.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding