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Sickle Cell Screen with Reflex to Hemoglobinopathy Evaluation (37679X)
Test Code37679N
CPT Codes
85660
Includes
If Sickle Cell Screen is positive, then Hemoglobinopathy Evaluation will be performed at an additional charge (CPT code(s): 83020, 85014, 85018, 85041).
Hemoglobinopathy Evaluation includes: Hemoglobin A, Hemoglobin F, Hemoglobin A2 (Quant), Hemoglobin S, Hemoglobin C, Hemoglobin E, and any hemoglobin variants
Red Blood Cell Count, Hemoglobin, Hematocrit, MCV, MCH, RDW
Hemoglobinopathy Evaluation includes: Hemoglobin A, Hemoglobin F, Hemoglobin A2 (Quant), Hemoglobin S, Hemoglobin C, Hemoglobin E, and any hemoglobin variants
Red Blood Cell Count, Hemoglobin, Hematocrit, MCV, MCH, RDW
Preferred Specimen
4 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
1 mL
Instructions
Maintain specimen at room temperature. Do not centrifuge.
Note: This test is not appropriate for patients less than 6 months old due to interference by Hemoglobin F. In these cases it is suggested that test code 35489 (Hemoglobinopathy Evaluation) be ordered.
Note: This test is not appropriate for patients less than 6 months old due to interference by Hemoglobin F. In these cases it is suggested that test code 35489 (Hemoglobinopathy Evaluation) be ordered.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Clotted
Methodology
Solubility
Setup Schedule
See individual assays
Clinical Significance
Screening test to determine presence of sickling hemoglobins (e.g. hemoglobin-S Hemoglobin C-Harlem).