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Electrophoresis, Hemoglobin
MessagePerforming Lab: Central Lab
Test Code
4888
Alias/See Also
Sunquest: ELPH; Hemoglobinopathy Evaluation; Thalassemia Evaluation
CPT Codes
83020
Includes
A Sickle Screen will automatically be ordered, performed and billed by the laboratory on all previously unconfirmed Hb S variants.
Preferred Specimen
3.0 mL EDTA Whole Blood (lavender-top) tube
Minimum Volume
1.0 mL
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Samples >24 hours old without a hemogram order
Methodology
Capillary Zone Electrophoresis
Setup Schedule
Tuesday and Thursday
Report Available
5 business days
Limitations
Hematology indices are required for Hemoglobinopathy testing and must be processed within 24 hours of collection. If an add-on request is submitted and this testing had not been previously performed, the add-on request will not able to be completed.patient’s with anemia, microcytosis and erythrocytosis.
Reference Range
Hemoglobin A: 95.9% - 97.8% (Adult), 10% - 40% (0-30 days) Adult levels reached within 15 months
Hemoglobin F: <1% (Adult), 60% - 90% (0-30 days) Adult levels reached by 24 months
Hemoglobin A2: 2.2% - 3.2% (Adult), <1% (0-30 days) Adult levels readhed within 12 months
Hemoglobin F: <1% (Adult), 60% - 90% (0-30 days) Adult levels reached by 24 months
Hemoglobin A2: 2.2% - 3.2% (Adult), <1% (0-30 days) Adult levels readhed within 12 months
Clinical Significance
The detection and identification of hemoglobinopathies and thalassemias is important in the evaluation of patient’s with anemia, microcytosis and erythrocytosis.
