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4974: Hemoglobin A2, Quantitative Print View
Hemoglobin A2 HPLC  < 31 days: < 1.0
< 91 days: < 2.3
< 181 days: < 2.5
< 366 days: < 2.7
>= 366 days: 1.8 - 3.5 
% 

PRIMARY
1 Whole Blood EDTA 2 (0.5) mL   Room Temperature - 48 Hour(s)/Refrigerated - 6 Day(s)  
ALTERNATE
  Whole Blood Heparin 2 (0.5) mL   Room Temperature - 48 Hour(s)/Refrigerated - 6 Day(s)  

Screen for beta thalassemia. Note that iron deficiency can result in decreased Hb-A2 levels and, therefore, may lead to a normal Hb-A2 level even in affected patients.
Setup Schedule
Tuesday-Saturday

Reported (Analytical Time)
Next day

CPT Code
83021

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Patient age and ethnicity are necessary for proper interpretation. Patient preparation: Blood transfusion within the last 4 months may affect results.






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