Test Code LAB4112 HEMOGLOBIN A1C (HBA1C)
Specimen Type
Whole blood Lavender top tube (EDTA)
Specimen Volume
4 mL
Minimum Volume
2 mL in Adult sized Lavender tube
Turnaround Time
STAT: 1 hour
Routine: 4 hours
Test Schedule
Daily
Sample Stability
Room Temp: 3 days
Refrigerated: 7 days
Reference Ranges
Hgb A1c 4.2 – 5.6%
A1c values of 5.7-6.4% indicate an increased risk for diabetes mellitus.
A1c values of greater than or equal to 6.5% are diagnostic of diabetes mellitus.
The American Diabetes Association considers a result of less than 7% to be the goal of diabetic therapy.
Estimated Average Glucose mg/dL
The ADA considers an eAG result of less than 154 mg/dL to be the goal of diabetic therapy. Estimated Average Glucose calculated from hemoglobin A1c by use of ADA recommended formula.
Synonyms
HGBA1C; Hemoglobin A1C; Glyco; Glycated Hemoglobin
Test Components
Hgb A1c, %; Estimated Average Glucose, mg/dL.
CPT Codes
83036