Vitamin D-25 hydroxy Frozen Blood Test

What is the purpose of this test?

The Vitamin D-25 Hydroxy Frozen Blood Testis used to measure the total amount of 25-hydroxyvitamin D in your blood. This form of vitamin D is the best indicator of your overall vitamin D status because it reflects the amount produced by your skin as well as that obtained from food and supplements. Vitamin D is essential for helping your body absorb calcium, build strong bones, support your immune system, and maintain muscle health.

This test is ideal for detecting vitamin D deficiency or insufficiency, which can lead to symptoms like bone pain, fatigue, or increased risk of illness. The use of a frozen blood sample helps preserve the stability of the specimen during transport to the lab, ensuring more accurate results. By evaluating your total vitamin D levels, this test can help your healthcare provider determine whether you need to adjust your vitamin D intake through diet, supplements, or lifestyle changes.

Who should get this test?

The Vitamin D-25 Hydroxy Frozen Blood Test may benefit individuals who:

• Have symptoms of low vitamin D, such as fatigue, bone or joint pain, or frequent infections
• Receive little or no sunlight exposure
• Follow a diet low in vitamin D-rich foods
• Have conditions that affect nutrient absorption, like celiac disease, Crohn’s disease, or gastric bypass surgery
• Are pregnant or breastfeeding and want to monitor their vitamin D status
• Take vitamin D supplements and need to check their current levels
• Are at risk of bone loss, such as those with osteoporosis or osteopenia
• Are older adults, particularly over age 65

When should I order the Vitamin D-25 Hydroxy Frozen Blood Test?

Individuals may consider ordering this test if they have symptoms or exposure concerns related to low vitamin D levels.

Symptoms to consider:

• Frequent bone or back pain
• Tiredness, even after a fullnight's rest
• Getting sick often with colds or flu
• Depressed mood or trouble sleeping
• Hair loss or poor wound healing
• Muscle cramps or weakness

If you have these symptoms or suspect you may not be getting enough vitamin D, the Vitamin D-25 Hydroxy Frozen Blood Test can provide useful information to guide you and your doctor in managing your health and improving your vitamin D intake.