Zinc Blood Test
This page explains the zinc blood test, what it measures, and how to arrange it. A zinc blood test measures the amount of zinc in your blood. Zinc is a mineral that supports immune function, wound healing, and growth. This test is ordered when a deficiency or excess is suspected.
- Sample type
- blood
- Category
- Vitamin & Mineral
- Turnaround
- 1-3 business days
- Price
- $38
- Referral
- Not required
A zinc blood test measures the amount of zinc in your blood. Zinc is a mineral that supports immune function, wound healing, and growth. This test is ordered when a deficiency or excess is suspected.
What it measures
- Zinc — The main mineral measured; low levels may indicate deficiency.
- Albumin — A protein that binds zinc; low albumin can affect zinc levels.
- Alkaline phosphatase — An enzyme that requires zinc; low levels may suggest deficiency.
Who it is for
A doctor may order this test if you have symptoms of zinc deficiency, such as poor wound healing or frequent infections, or if you have a condition that affects nutrient absorption.
Preparation
Fasting is not usually required. Tell your doctor about all supplements you take, as they can affect results.
Results and what they mean
Results are reported as a number with a reference range. Your clinician interprets them along with your symptoms and history. This is general information, not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the zinc blood test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Do I need to fast for a zinc blood test?
No, fasting is typically not needed.
What can affect my zinc test results?
Recent zinc supplements, certain medications, and other health conditions can affect levels.
How long does it take to get results?
Results are usually available within 1-3 business days.
Is this test covered by insurance?
Coverage depends on your insurance plan and the reason for testing. Check with your provider.