
Hemoglobin A1c (HbA1c)
ZRT Laboratory
Sample type: Bloodspot
Requires fasting: No
At home test
Details
This test measures hemoglobin A1c (HbA1c). HbA1c is used to monitor the last 3 months of glucose control in individuals at risk for diabetes mellitus. It can indicate impaired glucose tolerance even when occasional fasting plasma glucose measurements are normal.
- Hemoglobin A1c, Dried Blood Spot
Estimated days for results: Results should arrive 8-10 business days after the lab receives samples.
8–10 business days
Before You Start
3 Days Before Collection
Day of Collection
- Read the provided test collection instructions carefully.
- Watch the test collection video.
- You can collect your sample at any time.
3 Days Before Collection
- DO NOT take biotin/vitamin B7.
Day of Collection
- Collect your sample within one hour of waking.
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island




