The University of Iowa (UIHC)
Department of Pathology
LABORATORY SERVICES HANDBOOK

Hemoglobin A2 Quantitation By HPLC
Order Code: HBA2
Order Form: A-1a General Lab or IPR Req 		  Hematology
6240 RCP
356-3527 
Specimen
 
Blood
Collection Medium:
Lavender top tube (EDTA) 


Minimum:


Full draw any size lavender top tube


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 Chromotography


CPT Code:


83021




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Updated: 02/28/2007

Note: The information contained in this handbook is  
            for use by personnel of University of Iowa Health Care. 
            No other use is implied or intended.