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Insulin, Free (Bioactive) Blood Test

Total reviews 261

$127.50 $85.00

Total reviews 261


  • Tests Included: 1

  • Est. 3-5 days Turnaround

  • Specimen type: Blood

  • Quest Diagnostics Location

The free insulin measurement is helpful in interpreting blood sugar concentration and its relationship to insulin injections in insulin-treated patients with insulin antibodies.

$127.50 $85.00
  • Tests Included: 1

  • Est. 3-5 days Turnaround

  • Specimen type: Blood

  • Quest Diagnostics Location

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Insulin, Free (Bioactive)

  • Test Code: 36700
  • CPT Code: 36700
  • Alternate Name: Free Insulin, Non-AB Bound Insulin, Biologically Active Insulin
  • Test Instructions : Overnight fasting is required

    Please do not exercise prior to testing. It is best that your blood is taken in a rested state.

  • Fasting: Yes
  • Methodology: Immunoassay (IA)
  • Results In: 3-5

    Note: Turn around times on results are an estimate and are not guaranteed. The lab may need additional time due to holidays, confirmation/repeat testing, etc. You can contact us to discuss when your results should be ready and we will contact the lab on your behalf immediately.

Insulin, Free 1.5-14.9 uIU/mL

Insulin levels vary widely in specimens taken from non-fasting individuals.

Insulin analogues may demonstrate non-linear cross-reactivity in this assay. Interpret results accordingly.

$127.50 $85.00

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