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Alternative Specimen DNA Test (Nails, Teeth, Fabric)

Fingernails, bodily fluids like blood, mucus, or semen captured on clothing, toothbrushes, condoms, and other items can be checked for viable DNA, and then compared to another individual's cheek swab to see if they are the same person or related. The extracted DNA can also be tested to see if it is from a male or a female. This test is typically ordered when someone wants to know if a DNA specimen left in their home or office belongs to themselves or another person. It can also be used to do a relationship DNA test, including paternity, in situations where the child or father isn't available or willing to provide a cheek swab. Specimens can be submitted to our lab by mail; secure DNA test kits are provided.

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Excellent people. Handled a serious issue (for me) with respect. For that I thank Healthstreet.
By Tom on January 23, 2016
paternity testing services were done well. not using my real name, but i want to share this for other men who need to know where to go for DNA test. go here, they were great.
By "Andrew" on January 23, 2016
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Choose Alternative Specimen Type

We can attempt to extract DNA from a variety of alternative specimen types, including:

DNA from Bodily Specimens

  • Teeth
  • Semen
  • Fingernails
  • Mucus

DNA from Objects and Fabrics

  • Garment Stains
  • Blood Stains on Fabric
  • Condoms
  • Cigarette Butts
  • Toothbrush
  • Straw, Soda Can, Chewing Gum
  • Envelope Flaps
  • Ear Swabs, Q-tips
  • Tampons
View All Specimen Types

DNA test using teeth or fingernails

Fingernails are a good source of DNA and can be used if other specimen types (like cheek swabs or hair follicles) are not available. While DNA can also be extracted from teeth, this is much more difficult and should only be used in cases where other parts of the body are either not intact, too diseased, or otherwise unavailable for testing. Not all teeth or all fingernails contain viable DNA.

DNA Test using bodily fluids on fabric

DNA can be extracted from the fibers that are on a piece of clothing or fabric, especially if the fabric is soiled with bodily fluid like ejaculate or semen. This type of DNA testing can help determine whether someone was in a particular place at a particular time. If the DNA is determined to be viable, we can compare it to the cheek swab of another person to see if they are related or if they are the same person. We can also test it to see if it male or female.

Specimen Viability

Before we can use the DNA from a non-standard specimen like fingernails, teeth, or a piece of clothing, we need to do a viability study to ensure that there is enough DNA present. If there isn't enough viable DNA, you can resubmit another sample; however, keep in mind that there are no refunds, and therefore, submitting an alternative specimen carries some degree risk that you will not get an answer. The best practice is to always use the specimen that is the most likely to have DNA if it's available to you.

Note for NY residents

This test is not available in NY state.

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3 Ratings
5.0 out of 5 stars.
Alternative Specimen DNA Test
By Alyson on April 26, 2018
Great service. Quick. Reliable and answered all my questions. I would use them again.
Alternative Specimen DNA Test
By Richard Cumbo on October 26, 2017
It was fast, easy and just what I needed...thank you very much!
Alternative Specimen DNA Test
By Ramona on June 13, 2017
Louis was very satisfied and excellent he help me to make an appointment for DNA Text

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