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82947Laboratory

Glucose (blood sugar) test, quantitative

Prior authorization
Not commonly required

What this is, in plain language

A blood test that measures your blood sugar level at the moment the sample is taken.

Why a clinician orders it

Screening for diabetes, monitoring known diabetes, or evaluating symptoms like excessive thirst or fatigue.

Medical necessity — what insurers usually look at

Usually covered. USPSTF recommends diabetes screening for adults 35–70 with overweight or obesity, which many plans cover at no cost as preventive care.

New to this? Read what medical necessity means and how to appeal a denial.

Documentation to ask about

  • ✓Reason for the test
  • ✓Fasting status
  • ✓In-network lab confirmation

Questions for your provider

  • ?Is this being billed as preventive screening or diagnostic?
  • ?Is the lab in-network?

Why this code is in our seed set

Among the highest-volume lab tests nationally; in the CMS Top 100 Laboratory Procedures.

Validated against

  • •CMS Top 100 Laboratory Procedures Ranked by Services
  • •USPSTF Prediabetes and Type 2 Diabetes Screening recommendation

Terms you'll see

Medical NecessityRead more →

The insurer is reviewing whether the service is clinically appropriate for your situation.

Important: AuraCode is an educational tool. It does not provide medical, legal, or insurance advice, claims decisions, or approval guarantees. Final coverage depends on your specific plan, eligibility, diagnosis, submitted documentation, and your insurer's review.