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Good reasons to test
  • Family history of type 2 diabetes
  • Overweight or excess abdominal weight
  • Low physical activity levels

Fasting is recommended for the most accurate result. Fast for at least 8 hours beforehand — water is fine Results arrive in 3 to 5 business days, explained in plain language in your dashboard. Most results sit within the usual range - that is still useful, and anything unexpected supports a conversation with your healthcare practitioner.

Standard Care

Fasting BSL

Your blood sugar after an overnight fast, a snapshot of how your body is handling glucose

$45one-off, no subscription
  • NATA-accredited pathology
  • No GP referral needed
  • Results in 3 to 5 business days
  • Collect at 1,900+ centres

Why this test

Fasting glucose is a simple, standard measure of how the body regulates blood sugar. A single result is a snapshot. Discuss a raised result with your GP, who will usually confirm it with a repeat or further test.

Fasting blood sugar (glucose) measures the amount of glucose in your blood after an overnight fast. GPs use it as part of checking for prediabetes and type 2 diabetes. A raised result does not, by itself, mean you have diabetes, and a normal result does not rule out future risk, so discuss your result with your GP.

Understanding your results

Typical range

Your fasting glucose is in the ideal range for metabolic health

Low-normal

Your fasting glucose is within range on the lower side — mention to your healthcare practitioner if you have symptoms

Below reference range

Low fasting glucose may warrant discussion with your healthcare practitioner

Above reference range

Results of 5.5–6.9 mmol/L may indicate impaired fasting glucose; ≥7.0 may suggest further evaluation is warranted — discuss with your healthcare practitioner

Reference ranges vary by laboratory and personal context. Your result is shown against the lab's range in your dashboard, alongside what it means.

How it works

1
TODAY
Order online

Pick a test or panel and check out. No GP referral, no waiting room.

2
THIS WEEK
One quick visit

Walk into one of 1,900+ NATA-accredited collection centres. A single blood draw is all it takes.

3
IN 3 TO 5 BUSINESS DAYS
Clear results

We translate your results into plain language in your dashboard - what each marker means, and what is in range.

4
ONGOING
Track over time

Retest when it matters and watch your trends, so you can see what is actually changing.

Yes. You can order the Fasting BSL test online from Clarity Labs without a GP referral. It's $45, collected at any of 1,900+ NATA-accredited centres across Australia, with results in 3 to 5 business days via your secure online dashboard.

The Fasting BSL test is $45 at Clarity Labs, a one-off price with no subscription or membership. That covers your pathology request form and collection at any of 1,900+ NATA-accredited centres nationwide.

At least 8 hours without food or caloric beverages. Plain water is fine and encouraged. Book a morning appointment to make fasting easier.

No — fasting BSL reflects your glucose level at a single point in time, while HbA1c reflects your average blood sugar over the past 2-3 months. Together they provide a more complete metabolic picture.

Yes. Acute illness, significant stress, or certain medications can temporarily elevate blood glucose. If your result is unexpected, your healthcare practitioner may recommend a repeat test.

If your result is normal and you have no risk factors, every 3 years from age 40 is typical. With risk factors (family history, overweight, gestational diabetes history), your healthcare practitioner may recommend more frequent testing.

NATA-accredited pathologyCollected through Sonic Healthcare1,900+ collection centresNo GP referral needed

Complete your health picture

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HbA1c

HbA1c measurement reflecting average blood glucose levels over 2-3 months.

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This information is for general education and is not medical advice, diagnosis, or treatment. Results are best interpreted with a qualified healthcare practitioner in the context of your symptoms and history.

$45