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Test Code LAB4419 FETAL SCREEN

Important Note

Specimens must be labeled according to KH Blood bank policy.  Optimal time of draw is 1-2 hours after delivery. 

In the case of miscarriage, FMH screen is not necessary if gestation is 20 weeks or less.
If Gestation is >20 weeks, FMH screen is only done if baby's blood type is known. If blood type is unavailable, a Quantitative (Kleihauer-Betke test) method must be performed.

Specimen Type

EDTA whole blood tubes. Double identifcation is not needed.

Specimen Volume

4 mL

Minimum Volume

0.5 mL microtainer tube

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Refrigerated: 2 days

Method

Agglutination

Synonyms

FMH Screen, Fetomaternal Hemorrhage Screen

Test Components

Feto-Maternal Hemorhage (FMH) Rapid Screen

 

CPT Codes

 83030

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