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Clinical Science Lab

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(7 Reviews)

51 Francis Ave, Mansfield, MA 02048

(508) 339-6106

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General Info
Clinical Science Laboratory, founded in 1974, is a privately held reference medical laboratory, specializing in the field of toxicology. It provides reference testing for private physicians, hospitals, criminal justice systems, counseling centers, halfway houses and medical clinics. It offers services, such as urine drug screening, meconium and blood testing, serum and gastric fluid testing, oral fluid, reference and medical testing, pre-employment and employment testing and wellness testing. It can also perform emergency analyses for potential ethylene glycol poisoning. The clinic also performs routine and esoteric diagnostic testing, including testing in immunology, steroids, DNA probe, hepatitis, pregnancy, and HIV and AIDS. Located in Mansfield, Mass., its testing procedures are certified by the Clinical Laboratory Improvement Act.
BBB Rating
BBB Rating and Accreditation information may be delayed up to a week.
Regular HoursMonday-Sunday By Appointment
Extra Phones

Phone: (774) 284-4814

Primary Phone: (774) 284-4814

Fax: (508) 339-3540

Fax Number: (508) 339-3540

TollFree: (800) 255-6106

  • Drug Testing

Clinical Science Lab Inc

Testing Labs, Medical Labs, Research & Development Labs
Other Information

Services: Drug Testing


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Maryann D.



I am on methadone clinic in NJ I came up with no methadone in my urine screen and since February my four bottles that I worked so hard for got taken away from me because of this lab. I reported them but still bottle less no counselor wants to hear it or state Rep I guess because we're in recovery wer automatically lying but here is my proof so please leave a review maybe we can use this to help all our bad situations! Thanks for ruining my life Lab! Hope u crooked workers can sleep at nite knowing how many people ur causing hurt to

Elisa B.



I have had 2 false positive results through this lab in the last year and a half, they were oral swabs that my methadone clinic does and then sends them to this lab. I came up positive for weed at the end of april and they did not tell me until the first week in june. The lab will not admit any wrong doing or cross contamination, which is what had to have happened. I am pregnant and could loose my child over this false positive, how convienient that they cant re test it because they only keep the specimens for 3-4 weeks. And i suggested doing a hair test to prove it was a false positive and they are saying even if my hair test came out negative that it wouldnt prove it was a false positive, why wouldnt it? Well the lab says because the oral swabs can pick it up but the hair might not. So basically what they told me was drug tests, any kind of drug tests are useless to prove your innocence, they are only good to prove u guilty. Nobody will admit being wrong, and my life will b ruined

Janette B.



I have had multiple false positives from this lab. I have not used any drug in 5 years but have consistently received false positives. They are contaminating specimens and making false results. This lab will ruin lives, send people to jail and make them lose their children die to their lack of intelligence, lack of ethics and lacks of professionalism. They need reported to the government and lose their licensing.

Tyson S.



Consistently inaccurate and false positive U.A.'s! Like others have said, these guys are absolute joke! Do not use them!

Alex P.



False positives, contamination, you get what you pay for. Avoid at all costs, if you intend you use this lab as an employer, go elsewhere. It will cost you less in the long run when people request retests that display the lab was mistaken.

Gary S.



this lab is a joke!! doctors and scientists there should go back to school and learn how to do true toxicology testing and not be bullied into lying about the true toxicology results...their inaccurate testing can and does affect peoples lives! this lab should admit when they make mistakes instead of lying just to suit themselves...they are so afraid that if they don't go along with these bigwig companies they will lose their contracts with these companies...I though that these so called doctors and lab workers took an oath???boy was I wrong!!