Cardio IQ® Hemoglobin A1c
The Cardio IQ Hemoglobin A1c test measures glycated hemoglobin, often called HbA1c or A1c, in a whole blood sample. It is a marker the American Diabetes Association recognizes for helping monitor blood glucose control.
About this test
Glycated hemoglobin, or HbA1c, forms when glucose attaches to hemoglobin in red blood cells, and the proportion that is glycated reflects blood glucose levels over recent weeks rather than at a single moment. This version of the test analyzes a whole blood sample using a turbidimetric inhibition immunoassay method.
The American Diabetes Association recommends periodic HbA1c testing as part of monitoring blood glucose control, with the frequency shaped by how stable a person's glucose levels have been. A clinician reads the result together with other information about glucose management rather than as a stand-alone number.
Test details
| Quest code | 91732 |
|---|---|
| Methodology | Turbidimetric Inhibition Immunoassay |
| Sample type | 1 mL whole blood |
| Collection | Quest patient service center |
Reference range
<5.7 %
Reference ranges are general guidance. The range printed on your own laboratory report is the one that applies to your result.
Related tests and panels
Measures glycated hemoglobin (HbA1c), a marker used in monitoring blood glucose c…
Quest resources
Additional details
What this test looks at
The test reports the proportion of hemoglobin that is glycated in a whole blood sample. Quest lists this Cardio IQ version alongside search terms such as A1c and HbA1c, which all refer to the same glycated hemoglobin measurement.
Order online. No doctor's visit and no insurance needed. Your sample is collected at a Quest Diagnostics patient service center.
Laboratory results should always be interpreted by a licensed clinician who knows your health history. This page is information about a test, not medical advice.
Frequently asked questions
What does this test measure?
It measures glycated hemoglobin (HbA1c), the proportion of hemoglobin that has glucose attached, in a whole blood sample.
How is the sample collected?
Through a routine blood draw; the test uses a whole blood sample collected in an EDTA tube at a Quest Diagnostics patient service center.
Do I need to prepare for this test?
No preparation instructions are listed for this test. If a clinician has given you instructions, follow those.
Why does the American Diabetes Association recommend this test?
The American Diabetes Association points to HbA1c as a marker for monitoring blood glucose control over time, since it reflects glucose levels over recent weeks rather than a single moment.
What does a Cardio IQ® Hemoglobin A1c test cost without insurance?
The test is $20, plus $25 for the doctor's order and Quest blood draw. Total: $45. The $25 fee is waived at $149+. See how ordering works and our blood test cost guide.