Hemoglobin A2 Quantitation By HPLC
Order Code: HBA2
Epic Lab Code: LAB1079
Order Form: A-1a General Lab or Epic Req
Hematology
6240 RCP
356-3527
Specimen:
Blood
Collection Medium:
Lavender top tube 3 mL (EDTA)
Minimum:
Full draw; 3.0 mL lavender top; (or fingerstick)
Testing Schedule:
Performed on Wednesdays, results usually reported on Thursday.
Reference Range:
0-3.5% Hemoglobin A2
Comments:
Any value between 3.5% and 8% A2 is considered indicative of beta- thalassemia trait. Analysis can not be done on patients transfused in the preceding 3 months since the presence of transfused cells may render the interpretation ambiguous.
Methodology:
High Pressure Liquid Chromatography
CPT Code:
83021