Helping Hospitals Define Clean

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Compare methods side by side.

There are many different ways to evaluate cleanliness of the healthcare environment, and each comes with pros and cons. Visual inspection is quickly being replaced by quantifiable, objective methods upon the recommendation of the Centers for Disease Control and Prevention (CDC). Managers need reliable data collection and objective measurement techniques to truly know if a surface is clean. A simple method, like blacklight detection of fluorescent gels, is an excellent training tool, but fails to measure the actual removal of biological matter. Another technique is microbiology testing; microbiology tests give the most quantitative, specific results for pathogens or bacteria on a surface, but results are slow and tests are expensive. EVS and Infection Prevention need quick results to turn beds over faster, verify instrumentation is clean, and collect quantifiable data for meaningful analysis. Read more about methods in this special report:  ATP Testing A Proven Method to Measure Cleanliness

Watch the short video below to see how ATP Cleaning Verification compares to fluorescent gel.

Learn more about the benefits of ATP Cleaning Verification vs. fluorescent gel here


Compare other methods of cleaning verification including microbiology testing and visual inspection in the table below. 

  ATP Monitoring Microbiology Testing Blacklight  Visual Inspection
Methods ATP icons micro icon blacklighticon visual icon

Ease of Use

Can it be used by any level user?

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Does it measure without bias?

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Does the method detect microbiological matter?

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Are results numeric and measurable?

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Can results be categorized as Pass/Fail?

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Does the method minimize time investment?

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Low Cost

Are supplies and other costs affordable?

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Training Tool

Does the tool confirm proper cleaning?

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Management Tool

Is the data collected powerful for managers?

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Are results protected from manipulation?

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Software Analysis

Does the product come with software?

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Grand Total  38icon star 26icon star   19icon star  21icon star


Ease of use.

ATP Cleaning Verification is extremely easy to use with a minimal amount of training. To see how easy it is, watch a video demo here. Other methods like microbiology testing require specialized skills, technical equipment, and extensive training. Though blacklight and visual inspection are relatively easy to use methods, other shortcomings, detailed below, make them a poor tool for monitoring environmental cleaning.


According to the CDC and published research, an ideal monitoring tool for evaluating environmental cleaning should be objective, or not subject to any user bias. Visual inspection is the true opposite of objectivity since it is 100% the opinion of the evaluator whether a surface is clean. Blacklight inspection systems only measure the removal of fluorescent gels, so they are not objectively measuring cleanliness of a surface.


Blacklight inspection systems only evaluate if the fluorescent gel was removed from a surface - they cannot measure actual surface contamination. The tool most successful at identifying specific microbiological matter is microbiology testing, which is still part of an effective infection control program. However, microbiology tests take several days and require specialized technicians, making them an inadequate method for evaluating environmental cleanliness in a hospital, where rooms need to be turned quickly and confidently. ATP tests detect all organic matter, which includes microbiological material, and deliver those results quickly in 15 seconds. Though ATP testing cannot replace microbiology testing for the identification of pathogens and specific microorganisms, ATP testing can serve as an indicator for potential microbiological matter.


ATP Cleaning Verification gives a numeric measurement of organic material (ATP) on a surface, measured in relative light units (RLU). The more ATP present on a surface, the higher the RLU measurement. Neither blacklight inspection nor visual assessment can quantify the amount of organic material on a surface. Learn more about acceptable RLU scores for hospital locations here.


The SystemSURE Plus displays a Pass, Caution, or Fail symbol on the screen when tests are measured, so results are clear and no interpretation is necessary. Visit this page to see more features on Hygiena’s ATP Cleaning Verification System.


Microbiology tests can take up to 3 days for results, so they are not suitable for effectively measuring cleaning performance on a daily basis. Blacklight inspection requires managers to visit a patient room twice; first, after it has been vacated, before cleaning, to mark locations with fluorescent gel. After the room has been cleaned, management must return to the room a second time to inspect for removal of fluorescent gel marks. Since rooms are continually being turned over, managers are constantly visiting rooms to mark and inspect, taking away from time to accomplish other tasks. ATP Cleaning Verification Systems only require one visit to a room, after cleaning, where any surface can be swabbed and results are ready in 15 seconds.

Low cost.

With Hygiena’s ATP Cleaning Verification system, there are zero costs for software licenses, equipment leases, or yearly maintenance. The only costs associated with Hygiena’s ATP Cleaning Verification are the consumable swabs used. An ATP Cleaning Verification system is an affordable way to measure and manage cleaning. To see how much an ATP Cleaning Verification program will cost your hospital, visit the calculator available here, or contact us for a quote

Training tool.

ATP Cleaning Verification is a quick and easy way to show trainees if their cleaning efforts are effective. In 15 seconds, managers can measure ATP residues left behind after cleaning and show trainees an objective, numeric measurement of cleanliness. ATP Cleaning Verification can also be used as a hand washing training tool. Download this document for more information: Monitoring Hand Hygiene Using the Hygiena ATP Cleaning Verification System

Management tool.

The data collected by Hygiena’s ATP Cleaning Verification system provides reports and data that offer powerful decision-making tools for managers. Managers can quickly identify trends, areas for improvement, or staff that may require retraining. ATP test scores can be tracked over time and compared to infection rates. Users typically see that a reduction in RLU scores (a cleaner facility) result in lower infection rates. In a case study at North Tees and Hartlepool hospitals in the United Kingdom, the implementation of ATP Cleaning Verification resulted in a drastic drop in C. diff infection (CDI) rates. Download the case study here: Case Study: North Tees and Hartlepool Hospitals Reduce HAI with Hygiena ATP

Fraud proof.

Unlike visual inspection or blacklight inspection tracking methods, ATP test results cannot be manipulated. Once tests are measured in Hygiena’s ATP Cleaning Verification system, they cannot be edited, overwritten, or deleted. Users cannot know if an ATP test will pass or fail until it is measured. With blacklight systems, cleaning personnel could easily use their own blacklight flashlight to search for spots in a room to clean.

Software analysis.

ATP Cleaning Verification is the only method with integrated software that allows users to store data, track trends, and analyze results. Learn more about Hygiena’s complimentary SureTrend software here.