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How PFAS Blood Testing Works

A simple at-home test measuring 16 CDC-tracked PFAS compounds. No lab visit required.

STEP 01 What we test

16 PFAS compounds. One simple test.

The same 16 legacy PFAS compounds tracked by the CDC's National Health and Nutrition Examination Survey (NHANES) — measured from a single at-home blood sample.

  • 16 individual PFAS compounds measured
  • CLIA-certified laboratory analysis
  • EPA-accredited testing methodology
  • Results compared to CDC national averages
  • No insurance or referral needed
Order your test See all 16 compounds
16 CompoundsCDC-aligned PFAS panel
STEP 02 Order your kit

Your kit, delivered

Order online and receive everything you need in one package within 5 business days. No lab visit required.

  • At-home finger prick collection
  • Prepaid FedEx return shipping included
  • HSA / FSA eligible
At-Home Test KitDelivered in 5 business days
STEP 03 Collect your sample

Collect in two minutes

A simple finger prick — follow the step-by-step guide to collect your sample at home. The whole process takes about 2 minutes.

  • Easy finger prick — no needles or syringes
  • Step-by-step illustrated instructions
  • For ages 6 months and up
  • No fasting required
2-Minute CollectionSimple finger prick at home
STEP 04 Ship & get results

Ship it back. Get your results.

Seal your sample and drop it at any FedEx location. Our CLIA-certified lab processes your sample and delivers physician-reviewed results online within 15–30 days.

  • Prepaid FedEx shipping label included
  • Secure online results portal
  • Individual levels for all 16 compounds with CDC comparison
  • Physician-reviewed test guide included
  • Share results with your healthcare provider
Start testing
Secure ResultsReady in 15–30 days

What we measure

16 PFAS compounds, one simple test

Our CLIA-certified lab partner measures the same 16 legacy PFAS compounds tracked by the CDC's National Health and Nutrition Examination Survey (NHANES).

Perfluorooctanoic acid(PFOA / C8)
Perfluorooctanesulfonic acid(PFOS / C8)
L-Perfluorooctanoic acid(L-PFOA)
Br-Perfluorooctanoic acid(Br-PFOA)
L-Perfluorooctanesulfonic acid(L-PFOS)
Br-Perfluorooctanesulfonic acid(Br-PFOS)
N-methylperfluorooctanesulfonamidoacetic acid(NMeFOSAA)
Perfluorodecanoic acid(PFDA)
Perfluorohexanesulfonic acid(PFHxS)
Perfluorononanoic acid(PFNA)
Perfluoroundecanoic acid(PFUnA)
Perfluoroheptanesulfonic acid(PFHpS)
Perfluorohexanoic acid(PFHxA)
9CI-PF3ONS(9CI-PF3ONS)
4,8-Dioxa-3H-perfluorononanoic acid(ADONA)
Hexafluoropropylene Oxide Dimer Acid(HFPO-DA / GenX)
Get the test now

Know what's in your blood for $399

One test. 16 compounds. Physician-reviewed results in 15–30 days.

HSA / FSA Eligible

PFAS Baseline Blood Test

$399

One-time purchase · Free shipping

Order Your Test
  • 16 PFAS legacy compounds tested
  • At-home finger prick collection
  • CLIA-certified lab analysis
  • Physician-reviewed test guide included
  • Results compared to CDC national averages
  • Secure online results in 15–30 days
  • Free shipping with prepaid return label
  • No insurance or referral needed
  • 99% confidence on all detections

Your clarity starts with data.

You can't address what you can't measure.

Order Blood Test Get the Bundle

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

The information provided on this website is for informational purposes only and is not intended as medical advice. Consult your healthcare provider before starting any supplement program. Blood test results are reported as raw values — Clarity Medical does not interpret test results or provide medical diagnoses.

Preclinical research references relate to studies conducted in laboratory and animal models. Results from preclinical studies do not guarantee the same outcomes in humans. Human clinical trials are needed to confirm these findings.