A1C ONLY-GLYCO

Message
CHEMISTRY


Test Code
A1C


Alias/See Also
HGA1C, GLYCOHEMOGLOBIN, GLYCOSYLATED HEMOGLOBIN, GLYCO


Includes
GLYCOHEMOGLOBIN


Preferred Specimen
WHOLE BLOOD


Minimum Volume
2 ML


Instructions
DRAW 1 LAVENDER EDTA TUBE, WHOLE BLOOD, SEND TO LAB ASAP, REFRIGERATE IF DELAY IN TRANSPORT


Transport Container
PLASTIC TUBE


Transport Temperature
WHOLE BLOOD TO LAB ASAP,OR REFRIGERATE


Specimen Stability
*****SPECIMEN STABILITY IS ONLY GOOD FOR 8 HRS AT ROOM TEMPERATURE. 7 DAYS IF THE SAMPLE HAS BEEN REFRIGERATED. ADD ON SAMPLES FROM CBOC MIGHT EXCLUDE THE >8 HRS AT ROOM TEMPERATURE AND WOULD NOT BE ABLE TO ADD ON TO THE CBC ORDER.*****


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


Methodology
Enzymatic

Setup Schedule
DAILY


Report Available
DAILY


Reference Range
4.0 - 5.6 % normal
5.7 - 6.4 pre-diabetes
>=6.5% diabetic range -if patient has not yet been diagnosed with diabetes, see VA-DoD Diabetes Guidelines for more guidance. http://www.healthquality.va.gov/guidelines/CD/diabetes/


Clinical Significance
Hemoglobin A1c measurements are used as an aid in the diagnosis of diabetes mellitus, to identify patients who may be at risk for developing diabetes mellitus, and for the monitoring of long-term blood glucose control in individuals with diabetes mellitus.


Performing Laboratory
WHITE RIVER JUNCTION VT VA-CHEMISTRY 802-295-9363 EXT: 5518, 5519



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.