One 4 mL lavender top tube (EDTA). If multiple tests are ordered, send a separate specimen for this test.
Handling:
Refrigerate whole blood. If available, include reports of CBC and iron studies with specimen.
Stability:
7 days refrigerated. Undatable frozen.
Standard Volume:
4 mL whole blood.
Minimum Volume:
1 mL whole blood.
Transport:
Refrigerated.
Comments:
Isolated Hgb F is not recommended for evaluating patients for hemoglobinopathy. Hemoglobinopathy Evaluation Panel (10570) is recommended for those patients. Isolated evaluation of Hgb F is usually limited to patients with juvenile CML and other related diseases.
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