
Getting insurance to cover Vitamin D test costs can be a challenge, but it's not impossible. Many insurance plans cover Vitamin D tests, especially if you have a medical condition that requires it.
If you have a pre-existing condition, such as osteoporosis or kidney disease, your insurance plan may cover the test costs. For example, a study found that 75% of insurance plans cover Vitamin D testing for patients with osteoporosis.
To increase your chances of getting insurance to cover the test costs, it's essential to have a doctor's referral. This is because insurance companies often require a doctor's order to cover the test.
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Understanding Vitamin D Tests
A vitamin D test measures the levels of vitamin D in your blood. This is the most accurate way to see if you have enough vitamin D.
There are two main types of vitamin D tests: one that measures 25 hydroxyvitamin D, or 25(OH)D, and another that measures active vitamin D, also known as calcitriol or 1,25-dihydroxyvitamin D. The first type is usually used to check if you have enough vitamin D.
Routine vitamin D testing is not recommended for everyone. Your provider can let you know whether a vitamin D test is right for you.
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What Is a Vitamin D Test?

A vitamin D test measures the levels of vitamin D in your blood. This test is important because vitamin D helps your body absorb calcium to build healthy bones and teeth.
Your body makes vitamin D when your bare skin is exposed to sunlight, but only if you're outside without sunscreen. You can also get vitamin D from certain foods like egg yolks, liver, and fatty fish.
However, most people don't get enough vitamin D from food alone, so vitamin D is often added to foods like breakfast cereals, milk, and other dairy items. Vitamin D supplements are also available in pill form or liquid drops.
Before your body can use vitamin D, your liver must change it into another form called 25 hydroxyvitamin D, or 25(OH)D. This is the form that most vitamin D blood tests measure.
Here are the three sources of vitamin D:
- Sunlight
- Certain foods
- Supplements
Understanding the Need for a Vitamin D Test

You may need a vitamin D test if you've been diagnosed with a medical condition that may be related to vitamin D deficiency. This can include conditions like osteoporosis or rickets.
Your provider may also order a vitamin D test if you have signs or symptoms of a condition that may be related to vitamin D deficiency. These signs can include muscle weakness, fatigue, or bone pain.
Babies and children are also at risk for vitamin D deficiency, especially if they're mainly fed breastmilk. Breastmilk is low in vitamin D, so all babies need vitamin D supplements shortly after birth, unless they're fed only formula, which contains vitamin D.
Children with diets low in vitamin D are also at risk for deficiency. If you're taking vitamin D supplements, your provider may order a test to see if your levels are improving.
If you're taking too many vitamin D supplements, you may experience symptoms like nausea, vomiting, poor appetite, constipation, muscle weakness, or weight loss.
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Getting Insurance to Cover Vitamin D Tests

Getting insurance to cover vitamin D tests can be a challenge, but there are some things you can do to increase your chances of getting coverage.
Check with your insurance provider to see if they have any specific policies regarding vitamin D testing. For example, Aetna, Cigna, and UnitedHealthcare have recently published coverage policies for Vitamin D testing, and they may no longer cover it in some circumstances.
These policies describe reimbursement for Vitamin D testing, including a brief overview, instructions for use, medical necessity, general background information, and ICD-10 codes which are defined by the policy as medically supportive. Individual plans may vary, so it's always best to contact your patient's health plan for the most accurate coverage policy.
The ICD-10 codes listed in these policies are the top diagnosis codes currently utilized by ordering physicians for the tests indicated above that are also listed as medically necessary under these commercial policies. If your patient is being tested for diagnostic purposes that are not covered under the policies, they may be responsible for payment.
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Here are some of the ICD-10 codes that may be considered medically necessary for vitamin D testing:
To be considered medically necessary, your patient's vitamin D levels may need to be related to a specific underlying disease, condition, or risk factor. For example, serum testing of 25-hydroxyvitamin D levels may be considered medically necessary in individuals with biliary cirrhosis, celiac disease, or osteoporosis.
Frequently Asked Questions
Why won't insurance cover vitamin D testing?
Insurance may not cover vitamin D testing because it's not typically included in routine blood work, and a doctor's approval is usually required for reimbursement. This can make it harder to get coverage, but speaking with your doctor can help determine if it's medically necessary.
Sources
- https://www.cms.gov/medicare-coverage-database/view/lcd.aspx
- https://www.cpllabs.com/vitd_coverage/
- https://www.testing.com/tests/vitamin-d-tests/
- https://medlineplus.gov/lab-tests/vitamin-d-test/
- https://policies.credenceblue.com/portal/web/credence-policies/home/-/asset_publisher/gvKEs0SDu27L/content/mp-732/78515
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