Lab testing

Quest Health

Order individual lab tests from Quest Diagnostics online, without a doctor’s visit.

Quest Health lists 5 compounds on DiscoverMedica, including Levothyroxine, Vitamin B12 and Iron.

Listed here
5 compounds
Statuses
Prescription · No prescription
Checked
September 23, 2026
Four graduated sample tubes standing in a rack under cool, clinical lab lighting.

What does Quest Health offer?

  1. LevothyroxineThyroid TSH Function Test
    Prescription
    $49.00listed price†
  2. Vitamin B12Vitamin B12 Test
    No prescription
    $49.00listed price†
  3. IronIron, TIBC and Ferritin Panel
    No prescription
    $59.00listed price†
  4. Vitamin DVitamin D (25-hydroxy D2 and D3) blood test
    No prescription
    $75.00listed price†
  5. TestosteroneTotal testosterone blood test
    Prescription
    $69.00listed price†

† Prices as listed by the provider when we checked; they change. Checked September 23, 2026.

At a glance

  • No doctor visit needed; an independent physician oversees each order for a $6 physician service fee
  • HSA/FSA accepted
  • In-home collection is available in some areas for an added fee

Checked September 23, 2026. Sources: Quest: Vitamin D test, Quest: Testosterone test