Quick Reference
- Full form
- Phosphorus (PO4)
- Sample type
- Blood
- Fasting
- Not required
- Marker measured
- 1
- Report turnaround
- Same day
- Available at
- All locations
About Phosphorus (PO4)
This test measures phosphorus, essential for bone health, energy production, and cellular function, and is commonly checked in patients with kidney disease since phosphorus balance is closely tied to kidney function.
No fasting is required, and results are available the same day.
How to Prepare
- No fasting required.
- No special preparation needed before your blood draw.
Frequently Asked Questions
What is phosphorus testing used for?
It checks a mineral essential for bone health and energy production, often monitored closely in kidney disease.
Do I need to fast before this test?
No fasting is required.
Why is this important for kidney patients?
Phosphorus balance is closely tied to kidney function, so regular monitoring helps manage kidney disease.
Is this the same as the phosphates test?
It measures the same mineral, often reported under slightly different naming conventions depending on the requesting doctor.
How soon will my report be ready?
Same day.
Is home sample collection available?
Yes, in all City Care Lab service areas.
This page provides general health information and is not a substitute for medical advice. Speak with your doctor about your specific results and treatment.