Home DNA Test Kit Acceptable Samples

The following prices are quoted for each special sample and are in addition to the cost of the DNA test.

Samples should be put in a plastic baggie and placed in the envelope that is supplied with the kit.

The lab will do everything possible to extract the DNA from these special samples.  There is no refund if DNA cannot be obtained from these types of samples.  We would not list these sources of DNA unless the lab was highly successful in DNA extraction.

The lab requires at least an additional week to process these special samples. 

Excellent Samples These are the ones to obtain.  

Whole Blood

Whole blood works very well if it has been properly collected in a vacutainer tube with the appropriate preservative (yellow capped tubes are best, though any will work).  The test works best if the sample is recent; blood that is not sent to the lab immediately should be refrigerated.

Cord Blood

Taken at birth.  Cord blood works very well if the lab receives it in good condition.


Properly collected bloodstains on standard blood collection cards work well and take no additional time to process.   Can use blood stains on clothing and other materials.


Keep frozen until you mail it in.

Amniotic Fluid

Taken past 14 weeks gestation

Chorionic Villus Sampling

Taken between 9 – 12 weeks gestation

Fetal Tissue
(Products of Conception)

Taken on miscarriages or terminations.  Fetal tissue is an excellent source of DNA if it has not been exposed to formalin.  

Good Samples Might take extra time to process (see below)  

Chewed Chewing Gum

Well chewed chewing gum works most of the time.

Used Condom

Condoms can work well if refrigerated after use and sent for analysis immediately.  

Semen Stains On Clothing

Semen is a good source of DNA.  

Electric Razor Debris

The contents of an electric shaver can be a good source of DNA.  This sample should only take a few extra days to process.

Used Tampons or
Used Feminine Pads

These can be an excellent source of DNA.  

Plucked Hair

Hair that has been pulled from the body with enough force to remove living tissue with it. 10 – 20 strands, each with tissue attached are required.  

Q-tips with earwax

Can also provide adequate DNA for typing.  

Marginal  Samples    

Cigarette Butts

Cigarette butts that have not been long exposed to the environment can work in many cases.  

Exhumed Tissue

Exhumed specimens collected from deep thigh tissue or marrow taken from the large leg bone (femur) will work approximately 75% of the time. The lab needs additional time to process these samples (could be weeks).

Dried Umbilical Cords

Dried umbilical cords work approximately 50% of  the time and may take several weeks to test.


Toothbrushes approximately 50% of  the time, since they are usually rinsed after use, which washes off the DNA.


 Urine can work very well if it is collected in a sterile container and always kept refrigerated.  At least 50 ml is required.  

Snotty Kleenexes

Used tissues are generally very poor specimens with which to work.  They rarely produce sufficient DNA for analysis.  (However, blood on a tissue will work very well).