Hospital Lab
$70
cash pay
Other Labs
$29
+ lab fees
TestWell
$18.99
+ $6 lab fee
Phosphorus is the second most abundant mineral in the body and works closely with calcium to build and maintain strong bones and teeth. It is also essential for energy storage and transfer (as ATP), DNA/RNA synthesis, and acid-base balance. Abnormal phosphorus levels can indicate kidney disease, parathyroid disorders, or vitamin D deficiency. This test is often ordered alongside calcium and vitamin D panels.
Vitamin and nutrient testing identifies deficiencies that can drive fatigue, immune dysfunction, neurological symptoms, and long-term disease risk — and confirms that supplementation is working.
Anyone with restrictive diets (vegan, low-fat, low-carb), malabsorption conditions, fatigue, hair loss, mood changes, or currently supplementing and wanting to verify dosing.
Sample Type
Blood draw
Fasting
Not required
Results In
1–3 business days
Performed At
Quest or Labcorp
Your Phosphorus results will include values for each of the 1 biomarker tested, along with reference ranges. Results are reviewed by a licensed physician before being released to your secure portal.
If any values fall outside the normal range, your report will include guidance on what that may mean and recommended next steps. You'll receive an email notification when your results are ready, typically within 1–3 business days.
Typical reference range layout
Lab reports show where your value sits relative to established reference intervals—your physician interprets this in context for you.
Your Phosphorus results will include values for each of the 1 biomarker tested, along with reference ranges. Results are reviewed by a licensed physician before being released to your secure portal.
If any values fall outside the normal range, your report will include guidance on what that may mean and recommended next steps. You'll receive an email notification when your results are ready, typically within 1–3 business days.
Typical reference range layout
Lab reports show where your value sits relative to established reference intervals—your physician interprets this in context for you.
No fasting required, though morning fasting samples are preferred for consistency.
No fasting required, though morning fasting samples are preferred for consistency.
TestWell Price
$18.99
+ $6 lab processing fee at checkout
No insurance needed · HIPAA compliant
Frequently ordered together
Customers who ordered Phosphorus also added these for a more complete health picture.
Not sure where to start?
Phosphorus
$18.99