NailKEY Nail Test Service


  • Nail Sample (self-collect at home)
  • Results within 4 days of receipt
  • Test for over 50,000 potential pathogens
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Infections this can help detect


  • Thickened nail
  • Discolored nail – yellowish, brownish, whitish or blackish
  • Nail separating from the nail bed
  • Brittle nail or crumbly nail
  • Distorted nail (in shape)

Medical Specialties

  • Podiatrist
  • Dermatologist

Collection Instructions

Download Nail Sample Collection

To Utilize Physician Service

  • Select a qualifying self-pay product
  • Do check the Telemedicine box “+$10 Physician Fee” box
  • Complete purchase and checkout
  • Create your Patient Results Portal account
  • Receive collection kit
  • Take sample following instructions included in the box
  • Ship sample via FedEX back to MicroGenDX
  • View results via the Patient Results Portal
  • Contact the email sent to you for further consultation (instructions to do this will be sent via email)

Purchase Disclaimers

  • Sample should be shipped out to the lab within 24 hours of collection. If you are unable to ship out the sample within 24 hours, be sure to place in a refrigerator.
  • Samples that have not been submitted, cannot be refunded after 90 days.
  • We DO NOT offer refunds on shipping fees or lab services.
MicroGenDX cannot ship to Russia, China (except Hong Kong), Ukraine, Hungary, India, or any country in Africa.


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If your “fungal nail” (a.k.a Onychomycosis) wont go away you could instead be suffering from bacterial nail. Traditional laboratory cultures, which attempt grow the microbes from your urine sample in a lab, often fail to identify the bacteria or fungi that make up your infection. MicroGenDX combines two advanced technologies to test your urine sample instead. One is called “next-generation sequencing” (NGS), which uses a database of over 50,000 bacteria and fungi to identify all of the microbes in your nail sample with 99% accuracy over 3-5 days. The other is called qualitative polymerase chain reaction (qPCR), which can more quickly identify common microbes causing prostatitis or epididymitis in just 24-48 hours. If you are suffering from thickened nail, discolored nail, nail separation from the nail bed, brittle nail crumbly nail, or distorted nail, then now may be the time to get a prostate test/semen test that uses qPCR and NGS.

Onychomycosis is a nail infection primarily caused by a fungus that mostly affects toenails, but can also affect fingernails. It can cause your nails to become thick, discolored, and more likely to crack and break. Onychomycosis can also be caused by a bacterial infection, or a combination of both fungus and bacteria. Studies have shown that bacteria alone are involved in as many as 34% of toenail infections, and bacteria and fungi combined are involved in as many as 49% of these infections. Read More

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