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Microbiology Lab Services for Healthcare

Hospital & Healthcare Testing Services

EMSL Analytical, Inc.’s Environmental Microbiology Laboratory provides the following testing services:
  • Healthcare-associated infections (HAIs)
  • Pathogens
  • Legionella
  • Fungi
  • Bacteria
  • Cryptosporidium
  • Giardia

Samples Accepted For Testing:
  • Medical Devices & Equipment
  • Surface & Swab Samples
  • Environmental Samples
  • Air Samples
  • Water Samples
  • Bulk Samples
  • Cooling Tower Samples
  • Laundries & Clothing
  • Duodenoscopes

Healthcare-Associated Infections:
Infection control in hospitals and healthcare-associated areas such as nursing homes are an essential component of quality control in countries with high-quality healthcare. It began in the 19th century with the work of Florence Nightingale, who first recognized the importance of healthcare-associated infections (HAIs). Today, the hospital and healthcare patients who are admitted to a hospital are the most susceptible to acquiring HAIs. Healthcare-associated infections are a major safety concern for both the providers and the patients. Considering morbidity, mortality, increased length of stay and the cost, efforts should be made to make the healthcare facilities as safe as possible by preventing such infections.

HAIs are a significant source of complications across the healthcare industry and can be transmitted between different healthcare facilities. However, recent studies suggest that implementing existing prevention practices can lead to up to a 70 percent reduction in certain HAIs. Likewise, recent modeling data suggests that substantial reductions in resistant bacteria, like methicillin-resistant Staphylococcus aureus (MRSA), can be achieved through coordinated activities between healthcare facilities in a given region. The financial benefit of using these prevention practices is estimated to be $25 billion to $31.5 billion in medical cost savings. A variety of organisms are responsible for many different types of HAIs. Details about these organisms and specific prevention efforts can be found on the CDC website. Organisms that cause HAIs include:

  • Acinetobacter
  • Burkholderia cepacia
  • Clostridium difficile
  • Carbapenem-resistant Enterobacteriaceae (CRE)
  • Gram-negative bacteria
  • Klebsiella
  • Methicillin-resistant Staphylococcus aureus (MRSA)
  • Mycobacterium abscessus
  • Pseudomonas aeruginosa
  • Staphylococcus aureus
  • Mycobacterium tuberculosis (TB)
  • Vancomycin-resistant Enterococci (VRE)

Means of Transmission:
Among patients and healthcare personnel (HCP), microorganisms are spread to others through four common routes of transmission: contact (direct and indirect), respiratory droplets, airborne spread and common vehicle.

Contact Transmission:
Contact is the most important and frequent mode of transmission in the healthcare setting. Organisms are transferred through direct contact between an infected or colonized patient and a susceptible healthcare worker or another person. Patient organisms can be transiently transferred to the intact skin of a healthcare worker (not causing infection) and then transferred to a susceptible patient who develops an infection from that organism—this demonstrates an indirect contact route of transmission from one patient to another. An infected patient touching and contaminating a doorknob, which is subsequently touched by a healthcare worker and carried to another patient, is another example of indirect contact. Microorganisms that can be spread by contact include those associated with antibiotic resistance (e.g., Methicillinresistant Staphylococcus aureus (MRSA) and Vancomycin-resistant Enterococci (VRE).

Respiratory Droplets:
Droplets containing microorganisms can be generated during coughing, sneezing, talking, suctioning and bronchoscopy. They are propelled a short distance before settling quickly onto a surface. They can cause infection by being deposited directly onto nearby environmental surfaces, which can then be touched by a susceptible person who autoinoculates their own surface.

Airborne Spread:
When small, particle-size microorganisms remain suspended in the air for long periods of time, they can spread to other people. The CDC has described an approach to reduce transmission of microorganisms through airborne spread in its Guideline for Isolation Precautions in Hospitals. Proper use of personal protective equipment (e.g., gloves, masks and gowns), aseptic technique, hand hygiene and environmental infection control measures are primary methods to protect the patient from transmission of microorganisms from another patient and from the healthcare worker. Personal protective equipment also protects the healthcare worker from exposure to microorganisms in the healthcare setting.

Common Vehicle:
Common vehicle (common source) transmission occurs when multiple people are exposed to a common inanimate vehicle of contaminated food, water, medication, solution, device or equipment and become ill. Bacteria can multiply in a common vehicle, but viral replication cannot occur. Examples include improperly processed food items that become contaminated with bacteria, waterborne shigellosis and bacteremia resulting from use of intravenous fluids contaminated with gram-negative organisms.

Sampling for HAIs:
Environmental Surface Sampling: The culture swab is inexpensive and efficient. Surfaces can be sampled quickly. It is a useful test for initial site sampling and can be used to identify microorganisms to a species level.

Materials:
  • Sterile culturette/swab with appropriate buffer solution to collect and transport specimen (provided at your request by EMSL).
  • Latex/nitrile gloves

Sample Collection:
1. Wearing gloves, remove swab from packaging material.
2. Remove plug from media tube.
3. Swab the desired area thoroughly, rolling the swab lightly back and forth over sampling area.
4. Insert the swab in the tube, firmly close cap and label appropriately.
5. For quantitative culture reporting, the area swabbed needs to be entered on the chain of custody (COC).

Complete an EMSL COC, which is available on our website (www.emsl.com), detailing client name and information, project name or number, sample number and a description of the area.

Sample Shipment:

  • Place samples in a cooler with reusable ice packs.
  • Overnight shipping is recommended.

For more information, please contact EMSL’s John Passero at (856) 858-4800 extension 3604 or jpassero@EMSL.com.



Full list of services provided for Hospitals & Healthcare Environmental Lab Services ( click for details )
Laboratories providing Hospitals & Healthcare Environmental Lab Services ( click for details )
Ann Arbor, MI - NVLAP Lab Code 101048-4Atlanta, GA - NVLAP Lab Code 101048-1Baton Rouge, LA - NVLAP Lab Code 200375-0Beltsville, MD - NVLAP Lab Code 200293-0Boston, MA - NVLAP Lab Code 101147-0Buffalo, NY - NVLAP Lab Code 200056-0Calgary, Alberta - NVLAP Lab Code 500100-0Carle Place, NY - NVLAP Lab Code 101048-10Charlotte, NC - NVLAP Lab Code 200841-0Chicago, IL - NVLAP Lab Code 200399-0Corporate - Cinnaminson, NJ - NVLAP Lab Code 101048-0Dallas, TX - NVLAP Lab Code 600111-0Denver, CO - NVLAP Lab Code 200828-0EMSL Canada - Montreal -- Quebec - NVLAP Lab Code 201052-0EMSL Canada -- Toronto - NVLAP Lab Code 200877-0EMSL Canada Inc. -- Ottawa - NVLAP Lab Code 201040-0Fort Lauderdale - NVLAP Lab Code 500085-0Houston, TX - NVLAP Lab Code 102106-0Huntington Beach, CA - NVLAP Lab Code 101384-0Indianapolis, IN - NVLAP Lab Code 200188-0Kernersville, NC - NVLAP Lab Code 102104-0Las Vegas, NV - NVLAP Lab Code 600140-0Miami, FL - NVLAP Lab Code 200204-0Minneapolis IH Lab (EAST) - NVLAP Lab Code 101234-0Minneapolis, MN (WEST) - NVLAP Lab Code 200019-0New York, NY - NVLAP Lab Code 101048-9Orlando, FL - NVLAP Lab Code 101151-0Pasadena, CA - NVLAP Lab Code 200232-0Phoenix, AZ - NVLAP Lab Code 200811-0Piscataway, NJ - NVLAP Lab Code 101048-2Plymouth Meeting, PA - NVLAP Lab Code 200699-0Raleigh, NC - NVLAP Lab Code 200671-0Rochester, NY - NVLAP Lab Code 600183-0S. Portland, ME - NVLAP Lab Code 500094-0Salem, NH - NVLAP Lab Code 201051-0San Diego, CA - NVLAP Lab Code 200855-0San Leandro, CA - NVLAP Lab Code 101048-3Seattle, WA - NVLAP Lab Code 200613-0St. Louis, MO - NVLAP Lab Code 200742-0Tampa, FL - NVLAP Lab Code 600215-0Vancouver, BC - NVLAP Lab Code 201068-0Wallingford, CT - NVLAP Lab Code 200700-0West Palm Beach, FL - NVLAP Lab Code 600206-0Weymouth, MA - NVLAP Lab Code 600217-0
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