Lab test requirements · preparation, ID, referral, and timing United States · 15,280 communities
LabRequirements Know what your test requires

What you need before you test

Know what a lab test requires before you go

LabRequirements explains what each test requires — fasting and other preparation, photo identification, whether a referral is needed, typical turnaround, and how to find a collection site near you.

665laboratory tests
15,280communities
52states & territories

How it works

Three steps from question to a prepared visit

  1. 1

    Find your test

    Search or browse to the exact test you need and read what it measures in plain language.

  2. 2

    Read the requirements

    See preparation, identification, referral, and timing requirements before you commit.

  3. 3

    Prepare and visit a lab

    Follow the preparation steps, bring what is required, and confirm details with the collection lab.

Popular tests

Commonly requested laboratory tests

A sample of the tests you can read about and order.

10 Test STD Panel – Complete STD Testing 1-3 business days $139 Our Comprehensive STD Test Panel includes tests for the following 10 sexually transmitted diseases. Get results quickly & confiden… View test requirements ALT Blood Test (SGPT) for Liver 1-3 business days $29 This blood test measures levels of Alanine Aminotransferase (ALT), an enzyme in the blood, to help determine liver disease or dama… View test requirements Almond IgE Allergy Test – Nut Allergies 1-3 business days $49 This IgE antibody allergy test uses a blood sample to determine if you are allergic to almonds, a common nut. View test requirements Ammonia Test – Ammonia Levels Liver Test 1-3 business days $198 This blood test is used to measure levels of ammonia to assess liver function. Symptoms of excess ammonia include constant fatigue… View test requirements Apricot Allergy Test – Apricot Allergies 1-3 business days $49 This IgE antibody allergy test uses a blood sample to determine if you are allergic to Apricots. View test requirements Avocado Allergy Test – Berry Allergy 1-3 business days $49 This IgE antibody allergy test uses a blood sample to determine if you are allergic to Avocados. View test requirements

Browse all 665 tests

Coverage

Available across the United States

Pick your state to see every community and the tests available to order.

Alabama 326 cities665 tests Browse Alabama Alaska 74 cities665 tests Browse Alaska Arizona 208 cities665 tests Browse Arizona Arkansas 212 cities665 tests Browse Arkansas California 1,056 cities665 tests Browse California Colorado 220 cities665 tests Browse Colorado Connecticut 133 cities665 tests Browse Connecticut Delaware 53 cities665 tests Browse Delaware

All states & territories

Guides

Plain-language testing guides

Background on what different groups of tests measure and when they are used.

allergy Drug Allergy Testing: Penicillin and Other Reactions Drug allergy testing uses skin and blood tests to check reactions to penicillin and other medicines. Learn how it works and what the results mean. Read the guide allergy Dust Mite Allergy Testing: Symptoms, Panels and Results Learn how dust mite allergy testing works, which mite panels measure sensitivity, and what your IgE results mean for managing symptoms at home. Read the guide allergy Environmental Allergy Testing: Indoor and Outdoor Triggers Learn how environmental allergy testing finds indoor and outdoor triggers like dust, mold, pollen, and pet dander, and what your results mean. Read the guide allergy Food Allergy IgE Blood Testing: How It Really Works Food allergy IgE blood tests measure antibodies linked to allergic reactions. Learn how they work, what the results show, and their important limits. Read the guide allergy Insect Sting Allergy Testing: Bees, Wasps, and Ants Insect sting allergy testing uses venom panels to identify which insect caused a reaction. Learn how skin and blood tests work and what results mean. Read the guide allergy Milk and Egg Allergy Testing: A Parent and Adult Guide Learn how milk and egg allergy testing works, which proteins are measured, and what IgE results can tell you about cow milk and egg reactions. Read the guide

All testing guides