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Test Code Lab339 Sickle Cell Test, Blood

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Specimen Requirements

Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)
Specimen Volume: Full tube
Specimen Minimum Volume: 2 mL

Reference Values

Negative (reported as positive or negative)   

A positive sickle cell screening test is not sufficient to diagnose the presence of hemoglobin S since other rare hemoglobins may produce a positive turbidity test and false-positive results may occur in the presence of dysglobulinemias. Recommend confirmation of a positive test result by ordering #3208 Hemoglobin Analysis, Blood if clinically indicated.

Methodology

Turbidity

Literature Reference:

Package insert: SickleScreen Sickling Hemoglobin Screening Kit #2504. Pacific Hemostasis, 2/2007.

Additional Information

For BJH Laboratory Use Only

Analyte Stability:

2 weeks at 2° C to 8° C

Laboratory Processing Instructions:
Test performed in BJH Core Lab.

Test Classification and CPT Coding

85660

Specimen Transport Temperature

Ambient

Day(s) Test Set Up

Monday through Sunday

Turnaround Time (STAT, Routine)   

STAT: 1 hour after receipt in laboratory

Routine: 2-4 hours after receipt in laboratory