What to Expect From Your Laboratory Test: Purpose, Procedure, and Why It Matters
A laboratory test that identifies harmful bacteria in food samples to detect foodborne pathogens and prevent foodborne illnesses.
{"This test detects and identifies bacteria in food that may cause illness","Common pathogens include Salmonella, E. coli, Listeria, and Campylobacter","Results help guide treatment and prevent foodborne disease outbreaks","Proper food handling and cooking can reduce contamination risks","Contact your healthcare provider if you suspect food poisoning symptoms"}
Key facts at a glance
- LOINC
- 6459-2
- Short code
- FBCULT
- Synonyms
- Bacteria Food Cult
- Category
- chemistry
- Sample
- serum
- Container
- Sterile, leak-proof, wide-mouth container; Whirl-Pak bag; sterile plastic cup; or manufacturer-approved food sampling container. Containers should be pre-labeled with sample ID, source, collection date/time, and temperature at collection.
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- culture
- CPT
- 87045 (Culture, bacterial; stool, aerobic, with isolation and presumptive identification of isolates); 87046 (additional pathogens if applicable); 87086 (urine culture); 87081 (definitive identification per isolate, if applicable). Food microbiology typically billed under client-specific or environmental codes.
- SNOMED
- 43875006 |Bacterial culture|: 416292001 |Microbiology procedure|: 258610009 |Food sample|: 258629006 |Bacterial identification|
- Specimen volume
- Minimum 25-50 g (solid foods) or 25-100 mL (liquid foods); larger quantities (100-200 g) preferred for statistical sampling per FDA/USDA guidelines
- Stability
- Refrigerated (1-4°C): up to 24-48 hours; Frozen (-20°C or below): up to 2 weeks (avoid freeze-thaw cycles). Transport on ice or refrigerated cooler. Process as soon as possible for accurate enumeration of viable organisms.
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 24–168 hours
- Order
- routine
This test is a laboratory procedure that helps your doctor evaluate your health, check how certain organs and body systems are working, and look for signs of illness or other conditions that may need further attention.
The Bacteria Identified in Food by Culture test is a laboratory procedure that detects and identifies harmful bacteria in food samples. The test uses culture methods to grow bacteria from food specimens, allowing scientists to identify specific pathogens that may cause foodborne illnesses. This test is crucial for food safety monitoring, outbreak investigation, and ensuring the safety of the food supply.
The test is usually performed by a trained healthcare professional who collects a small sample, such as blood or urine, at a clinic or laboratory. The sample is then analyzed, and your results are typically shared with you by your doctor.
A food sample is collected and sent to a laboratory where it is placed in special growth media that allows bacteria to multiply. After incubation, technicians examine the cultured bacteria under a microscope and perform additional tests to identify the specific type of pathogen present. The entire process typically takes 24-72 hours, though some bacteria may require longer incubation periods.
This test is important because it gives your healthcare team valuable information about your overall health, helps confirm or rule out a possible diagnosis, and guides decisions about the treatment and follow-up care that are right for you.
This test plays a vital role in protecting public health by identifying contaminated food before it reaches consumers. It helps food manufacturers, restaurants, and regulatory agencies ensure food safety standards are met. When foodborne illness outbreaks occur, this test helps identify the source and prevent further spread.
Reference range
No pathogenic bacteria isolated (Reportable as 'Not Detected' or 'Negative' for target organisms). Results reported by genus and species with quantification (CFU/g or CFU/mL) where applicable.N/A
Not applicable; food specimens collected by trained personnel. Patient specimen not required. Food samples should be collected aseptically using sterile containers. Maintain cold chain (1-4°C) during transport; do not freeze if testing within 24 hours.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
The Food Bacterial Culture test is essential for diagnosing the source of foodborne illnesses. When patients present with symptoms such as diarrhea, vomiting, abdominal pain, or fever after consuming food, this test helps identify whether a bacterial pathogen is responsible. Common pathogens detected include Salmonella, Escherichia coli (E. coli), Listeria monocytogenes, Campylobacter, and Staphylococcus aureus. Positive results guide appropriate treatment and help public health officials track and control potential outbreaks.
Frequently asked questions
Who needs this test?
Is the test painful?
How long does it take to get results?
What do the results mean?
What should I do if I suspect food contamination?
Sources
- 1CDC - Food SafetySource
- 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