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Specimen Collection Manual and Test Catalog

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FETAL SCREEN

Geisinger Epic Procedure Code:  LAB2280    Geisinger Epic ID:  26820

SPECIMEN COLLECTION
Specimen type: 

Whole blood


Preferred collection container: 
Specimen required: 

6 mL whole blood; minimum 1 mL.


Special notes: 

Specimen must be labeled with patient's first and last name, medical record number or some unique other identifier (e.g.,billing number, NOT date of birth). Date of collection and phlebotomist identification (full name or tech ID) must be available. Positive patient identification must be assured. Maternal blood specimen should be collected appproximately 1 hour after delivery of all products of conception to allow for fetal blood to mix thoroughly with the maternal circulation.


Patient preparation: 

None.



SPECIMEN PROCESSING
Processing instructions: 

Do not centrifuge or aliquot.


Transport temperature: 

If transported via courier specimen should be refrigerated. If collected within the hospital specimen may be kept at room temperature.


Specimen stability: 

Room temperature: 24 hours. Refrigerated: 48 hours.


Rejection criteria: 

Tube containing gel separator. Incomplete label ID (see specimen collection notes).



TEST DETAILS
CPT code(s):  85461
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Fetal screen.


Methodology: 
RBC Agglutination
Synonyms: 

FTSCR, Maternal hemorrhage screen, fetal maternal hemorrhage screen.


Clinical significance: 

Fetal screen qualitatively detects D-positive (Rh-positive) red cells in the blood of a D-negative (Rh-negative) woman whose fetus or recently delivered infant is D-positive. For quantitation, Kleihauer-Betke is required.


Doctoral Director(s): 
Randin Nelson MD
Review Date:  10/06/2024

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