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Test Code FS Fetal Screen Rosette Test

Additional Codes

  • Expanse Test Name: Fetal Screen
  • Medinet Ref Code:FS
  • OV Code:BBK*FS

Performing Laboratory

St. Luke's Laboratory

Methodology

Agglutination

Specimen Requirements

Whole Blood

Collect specimen in a lavender top (K2EDTA) tube(s) and send 7 mL whole blood to the laboratory at room temperature.

 

The sample should be collected from the mother one hour after delivery of all products of conception.

Reference Values

Negative

 

Positive tests will result in a Hemoglobin F test being reflexively ordered to determine the degree of the bleed.

Day(s) Test Set Up

Monday-Sunday

Test Classification and CPT Coding

85461-Rosette Test

88184- Hemoglobin F (if applicable)