Phos
A mineral essential to bone, energy metabolism, and cell membranes.
What is it
Phosphorus is essential to bone structure, energy metabolism (as ATP), and cell membrane function. Levels are tightly regulated by the kidneys and parathyroid hormone.
Why it's measured
Phosphorus levels have been studied in research on bone metabolism, kidney function, and parathyroid disorders.
Reference range
Standard laboratory reference
2.5 – 4.5 mg/dL
Reference ranges vary by laboratory. Your individual reference range will appear on your test report and should be interpreted by your physician in the context of your overall health profile.
What results may indicate
Elevated
Has been associated with kidney dysfunction and parathyroid disorders in research literature.
Lower
Has been associated with nutritional deficiency and certain endocrine conditions in research literature.
These associations are general. They are not a personal diagnosis or prediction. Discuss your individual results with your physician in the context of your full health profile.
When it's measured
Part of comprehensive metabolic panels and bone health evaluation.
Related markers
Measured in
A complete look at your heart, hormones, metabolism, inflammation, and longevity systems — drawn at Quest or LabCorp, reviewed by a U.S.-licensed physician.
Explore the Apex Panel →This information is for general educational purposes only and is not medical advice. Lab results alone are not intended to diagnose, treat, or cure any condition and do not replace the advice of a healthcare provider. OPTML does not offer medical advice, a diagnosis, medical treatment, or any form of medical opinion.