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In short Phosphorus test price What the phosphorus test checks What is included Why people get it How Pymander fits Common questions SourcesA phosphorus test costs about $4.74 using the Medicare national rate as a cash benchmark.
A lab may add a blood draw fee. Insurance is not billed. This is an outside benchmark, not a Pymander price. Benchmark as of 2026 Q4.
Phosphorus test price
| Item | Detail |
|---|---|
| Benchmark price | $4.74 |
| Basis | CMS Clinical Laboratory Fee Schedule 2026 Q4 |
| Billing code | CPT 84100 |
| Sample | Blood |
| Fasting | Yes, usually 8 to 12 hours, water only |
| Results | 1–2 days |
$4.74 is Medicare’s national limit for this test, the public benchmark for a cash lab price. It is not a quote from a specific lab and it is not a Pymander price. A lab may add a blood draw fee. Ask for the total price in writing before you book. Source data: CMS Clinical Laboratory Fee Schedule 2026 Q4.
Of the 7 Vitamins & minerals lab tests and panels in our catalog, Phosphorus test has the lowest price. The middle price for that group is $11.61.
What the phosphorus test checks
This test measures phosphate in the blood. Phosphate works with calcium to build bones and teeth.
What it checks
Your phosphate level, which can be off with kidney disease or parathyroid problems.
How it works
A small blood sample is taken from a vein in your arm at a lab. Don’t eat or drink anything but water for 8 to 12 hours before.
Good to know
It’s usually read with calcium and PTH. Kidney disease often raises phosphate.
The plain-language description on this page was written from public medical sources and has not been reviewed by a clinician. Use it to get oriented, then check with your own clinician or pharmacist.
What is included
- Phosphorus (phosphate)
Why people get it
People look this up for kidney disease, bone health, parathyroid.
How Pymander fits
Pymander is an AI-native, cash-pay healthcare system. This catalog shows an outside benchmark price so you know what to expect before you pay. You can text our free AI doctor to talk through your symptoms and whether this lab test makes sense, and bring the care note to a licensed clinician. A clinician decides what is ordered.
Common questions
How much does a phosphorus test cost without insurance?
About $4.74 using Medicare’s national limit for this test, the public benchmark for a cash lab price (2026 Q4). A lab may add a blood draw fee. The real price depends on where you go.
Why is this a Medicare price?
Medicare publishes national rates for every billing code. They are a public, checkable benchmark, so we use them instead of guessing. Cash prices at a given lab, center or clinic can be higher or lower.
Do I need an order for this lab test?
Most labs need an order from a licensed clinician. If you are having an emergency, call 911.
Is this Pymander’s price?
No. It is a public outside benchmark that Pymander does not set. Ask for the exact price before you book.