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FETAL BLEED SCREEN

Mnemonic

BB FCS

Synonym

Fetal Cell Screen - Fetal Screen

Guidelines

This is a screening test to detect massive fetal-maternal bleeds in Rh negative mothers with Rh positive infants. It is a component of the Rh Immune Globulin workup on patients who have reached at least 28 weeks gestation.

Specimen Collection Requirements

Collect

One full 4.0 mL lavender (EDTA) top tube

Handling

Tube must be labeled appropriately. See Blood Bank Specimen Collection Guideline.

Preferred Volume

One full 4.0 mL lavender (EDTA) top tube

Minimum Volume

One lavender (EDTA) top microtainer tube (Whole Blood 1.0 mL minimum draw)

Transport

Ambient or refrigerated

Rejection Criteria

Gross hemolysis, incorrect specimen container, incorrectly labeled or frozen specimens

Stability

Ambient: 24 hours; Refrigerated: 2 days; Frozen: Unacceptable

Testing Information

Performed

7 days/week

Reported

2 - 24 hours for routine testing

Method

Immune Rosetting

Reference Values

Comments

If the Fetal Bleed Screen is positive, a Kleihauer-Betke test will be performed to determine the amount of Rh Immune Globulin needed.

CPT Codes

85461

Last Updated: Wednesday, March 15, 2017 04:06:49 PM


Client Services: 503-413-1234