Diabetes & Blood Sugar Tests

Diabetes tests measure blood sugar and insulin — Hemoglobin A1c (average glucose over about three months), fasting glucose and fasting insulin.

Transparent cash prices, no insurance or doctor visit needed; blood draw at any Quest Diagnostics location. All prices + one $18 lab & physician order fee per order.

2 panels + 5 tests

Browse by goal

Comprehensive WellnessInvestigate FatigueWeight & MetabolismPerimenopause & HormonesLow TestosteroneFertility & Pre-ConceptionLongevity & AgingHair Loss

Diabetes Panels (2)

PanelPopular

Comprehensive Diabetes Panel

Complete diabetes and prediabetes assessment including HbA1c, fasting glucose, and lipids.

Includes 4 tests:

HbA1cFasting GlucoseLipid PanelFasting Insulin
Fasting

$35

+ one $18 lab & physician order fee per order

Panel

Insulin Resistance Panel

Comprehensive insulin resistance assessment including fasting glucose, fasting insulin, HbA1c, C-Peptide, and CMP.

Includes 5 tests:

Fasting GlucoseFasting InsulinHbA1cC-Peptide+1 more
FastingSave $1.50

$45

$46.50

+ one $18 lab & physician order fee per order

Individual Diabetes Tests (5)

HbA1c

Hemoglobin A1c (HbA1c)

$7

+ one $18 lab & physician order fee per order

Measures average blood sugar over the past 2-3 months. Key marker for diabetes management and prediabetes screening.

1-2 days

Biomarkers:

HbA1c, Estimated Average Glucose

C-Peptide

C-Peptide

$10

+ one $18 lab & physician order fee per order

Measures insulin production by the pancreas. Helps distinguish Type 1 from Type 2 diabetes.

Fasting Required2-3 days

Biomarkers:

C-Peptide

Fructosamine

Fructosamine

$14

+ one $18 lab & physician order fee per order

Measures short-term blood sugar control (2-3 weeks). Useful when HbA1c may be inaccurate.

2-3 days

Biomarkers:

Fructosamine

Fasting Glucose

Glucose, Fasting

$6

+ one $18 lab & physician order fee per order

Measures blood sugar levels after fasting. Used to screen for diabetes and monitor blood sugar control.

Fasting Required1 days

Biomarkers:

Glucose

Fasting Insulin

Insulin, Fasting

$14

+ one $18 lab & physician order fee per order

Measures fasting insulin levels to assess insulin resistance and metabolic health. Important for early detection of diabetes risk.

Fasting Required1-2 days

Biomarkers:

Insulin