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Company Services

Quest Diagnostics is a global institution with more than 45 years in the market as an innovative leader in diagnostic testing, information and services with quality SIX SIGMA, CLIA, OSHA, ISO 9000 and certified by the College of American Pathologists (CAP), in Mexico Certificate No. 57944101 with and recertified for the fifth time with distinction.

Our services

Clinical analysis

We offer our customers commercial and scientific, local and international advice through our team with more than 300 specialists and sub-specialists in all medical specialties in the laboratory, namely:

  • Coagulation
  • Endocrinology, Genetics

Hematology / Oncology

  • Hematopathology
  • Esoteric tests
  • Immunology
  • Infectious diseases
  • Toxicology

In addition, we introduce the world market more than 100 new diagnostic alternatives per year in all specialties of medicine, enabling clinicians to establish better diagnosis, prognosis, monitoring and control of diseases of our mutual patients.


In addition to all imaging specialties, namely:

  • X-rays
  • Ultrasonography


  • Neurosciences
  • Colposcopy
  • Mammography
  • Magnetic resonance
  • CT
  • Scintigraphy
  • Digestive Physiology
  • Echocardiography

We are dedicated to protecting and promoting the health of workers, by preventing diseases and accidents, as well as the elimination of risk factors that endanger the health and safety at work, for which we offer the following services:


Quest Diagnostics offers solutions for testing for drug abuse and protecting their workplace through screening procedures, confirmation and management of chain of custody to ensure reliable results.

This test detection.- highly sensitive immunoassay detects the most common drugs used (from two to 11 metabolites), if the result is positive is automatically subjected to the confirmatory test.

Confirmation.- test gas chromatography or mass spectrometry is used to identify and quantify the presence of a drug or metabolite specific.

Custody chain.- process that ensures and documents step by step from the identification, collection to delivery of the result. Also, if the accuracy of the test result, Quest Diagnostics is ready and available to provide all support information, documentation and clinical experience necessary is questioned

We meet their needs in testing for drug abuse with a range of testing options:

Detection by: Analytical Processing

Rapid tests

We perform rapid tests for early detection of drug abuse in urine, for which requires a special container in different presentations ranging from 3 to 10 parameters as raw material for the collection and sample analysis, Product Characteristics.

It is a rapid test in the urine that can be used without instruments. This test uses monoclonal antibodies to selectively detect elevated levels of specific drugs in urine

In hair

Due to the use of adulterants, both directly ingested as aggregates in the urine sample, the test results Drug Abuse may give false negative results.

Quest Diagnostics is committed to develop new and better procedures and thus contribute to our customers to achieve more reliable monitoring.

In response to the need for companies to stay drug free, it offers the market the most advanced methods.

The main advantages of Anti-doping in Hair are:

  • Resistant to Adulteration
  • Memory Register up to 90 days
  • faster and easier Collection
  • It does not require specific facilities
  • You can have direct observation

The process involves taking a lock of hair or hair (one in the body and as close to the root) 4 inches long and as thick as a pencil. The drug panel monitor are:

  • Marijuana
  • Cocaine
  • Amphetamines
  • Phencyclidine
  • Opiates (codeine and morphine) our Coverage

Our Coverage

  • Our coverage is strategically distributed in the Federal District and metropolitan area through 29 Patient Care Centers, 7 in Ciudad Juarez, 4 in Chihuahua, 3 in Tijuana B.C. and 3 in Leon Gto.

Our competitive advantage

  • Our Quality Certified through the distinction made by the American College of Pathology for the fifth time, this means that our procedures from taking the product to the delivery of results is performed by each of the samples from each patient treated.
  • Our Quality Policy: The patient is first, so that our actions are focused to meet your expectations, providing efficient service and reliable results in the shortest time possible.

Personalized attention to our customers with excellent service and a memorable experience.

The reference of our tests we realize it through our research center NICHOLS INSTITUTE, who promotes academic activity, teaching, research and biotechnology to create new tools and innovative diagnosis in order to achieve optimal patient assessment by the Doctors.

NICHOLS INSTITUTE, is made up of medical and technical consultants for the most difficult cases.