Understanding Your Diagnostic Test: A Patient Guide
This test checks laboratory equipment for the presence of Bacillus atrophaeus bacteria, primarily used for quality control and sterilization validation.
{"Bacillus atrophaeus is a spore-forming bacterium used to test sterilization effectiveness","This is an environmental monitoring test, not a patient diagnostic test","Results help ensure laboratory equipment is properly sterilized","The test uses culture methods to detect bacterial presence","This supports patient safety during laboratory procedures"}
Key facts at a glance
- LOINC
- 87241-6
- Short code
- BATC
- Synonyms
- B atrophaeus Lab Device Ql Cult
- Category
- chemistry
- Sample
- serum
- Container
- Sterile collection container appropriate for laboratory device or biological indicator testing; sealed transport container to prevent environmental contamination.
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- culture
- CPT
- 87181
- SNOMED
- 417152008
- Specimen volume
- Not applicable - qualitative culture test; volume depends on the type of laboratory device or biological indicator being tested.
- Stability
- Process specimens promptly upon receipt. Bacillus atrophaeus spores are stable; however, cultures should be initiated as soon as possible after collection to ensure accurate results. Maintain proper chain of custody documentation.
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 48–168 hours
- Order
- routine
A diagnostic test is a medical procedure that helps your doctor check how your body is working and find out whether an illness, infection, or other health condition may be present.
The Bacillus atrophaeus culture test is a quality control procedure performed on laboratory equipment and devices. It detects whether Bacillus atrophaeus, a type of spore-forming bacteria, is present. This test is not used to diagnose medical conditions in patients but rather ensures that sterilization processes are working correctly.
This test is performed to help identify the cause of your symptoms, confirm or rule out a suspected condition, and give your care team the information they need to recommend the right treatment and follow-up plan for you.
Bacillus atrophaeus is one of the most heat-resistant bacteria known, making it an ideal biological indicator for validating sterilization processes. Laboratories use this test to confirm that autoclaves and other sterilization equipment are functioning properly, ensuring a safe testing environment for patient samples.
The test is usually done in a doctor's office, clinic, or laboratory. A trained health professional will explain each step, tell you how to prepare beforehand, carry out the procedure safely, and let you know when and how you will receive your results.
Samples are collected from laboratory equipment surfaces or internal components. These samples are then placed in culture media and incubated to see if Bacillus atrophaeus grows. If the bacteria are detected, it indicates a potential failure in the sterilization process.
Reference range
Negative (No growth of Bacillus atrophaeus detected). Result reported as Detected or Not Detected.N/A
No patient preparation required. This test is performed on laboratory devices or biological indicators, not directly on patient specimens.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Frequently asked questions
Is this test used to diagnose my illness?
Will I need to provide a sample?
What happens if Bacillus atrophaeus is found?
How often is this test performed?
Sources
- 1
- 2
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy