A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Hemoglobin A1C

Message
Test performed at Upper Chesapeake Health


Test Code
HA1C


Includes
Estimated average glucose calculation (eAG)


Preferred Specimen
3 mls whole blood, mix well to avoid clotting


Instructions
Inappropriate to collect post transfusion of red cells.


Transport Container
Lavender (EDTA) top tube


Transport Temperature
Room temperature


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted


Limitations
Any cause of shortened red cell survival will reduce the exposure of red cells to glucose with a consequent decrease in %HbA1c values, e.g. hemolytic anemia or other hemolytic diseases, pregnancy, recent significant blood loss, etc. Results of %HbA1c are not reliable in patients with chronic blood loss and consequent variable erythrocyte lifespan.


Reference Range
See report




The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.