Understanding Your Laboratory Test: What Patients Need to Know
A burn wound culture is a laboratory test that identifies harmful bacteria growing in a burn wound to help doctors choose the right treatment.
{"This test finds what bacteria are causing an infection in a burn wound","Results help doctors select the most effective antibiotic for treatment","The test uses a sample taken directly from the burn wound, not blood","Getting results usually takes 2-5 days","Early detection of bacteria helps prevent serious infections"}
Key facts at a glance
- LOINC
- 17937-4
- Short code
- BCTBRN2
- Synonyms
- Bacteria Burn Cult org #2
- Category
- chemistry
- Sample
- serum
- Container
- Sterile, leak-proof container or sterile transport swab system (e.g., Copan ESwab, Amies transport medium). Tissue biopsy specimens should be placed in sterile saline or transport medium to prevent desiccation.
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 0–120 years
- Method
- culture
- CPT
- 87077
- SNOMED
- 441829007
- Specimen volume
- Minimum 0.5-1 mL of fluid, exudate, or tissue. Swab specimens should have visible material on the tip. Tissue biopsies should be at least 3-4 mm in size to ensure adequate organism recovery.
- Stability
- Room temperature: 2 hours maximum for optimal organism viability. Refrigerated (2-8°C): up to 24 hours. If delay in processing is anticipated, specimens should be inoculated to appropriate culture media at the bedside or transported in suitable transport medium.
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 48–168 hours
- Order
- routine
This test helps your healthcare provider learn important information about your health by analyzing a sample in a laboratory. The results can help diagnose a medical condition, monitor an ongoing illness, or check how well a current treatment is working.
A burn wound culture is a test that looks for bacteria in a burn wound. When you have a burn injury, bacteria from the skin or environment can enter the damaged tissue and cause an infection. This test helps doctors identify exactly what type of bacteria is present so they can treat the infection properly.
A trained healthcare professional will collect the sample, usually through a simple blood draw from your arm or another straightforward method depending on the test. You may receive instructions beforehand, such as fasting for a certain number of hours or avoiding certain medications.
A healthcare provider gently swabs the burn wound or takes a small tissue sample from the injured area. This sample is then sent to a laboratory where it is placed in a special environment that allows bacteria to grow. The process is usually quick and may cause mild discomfort.
After your sample is collected, it is sent to a laboratory for analysis, and results are typically available within a few days. Your healthcare provider will review the findings with you, explain what they mean for your health, and discuss any next steps or follow-up appointments that may be needed.
In the laboratory, technicians monitor the sample for several days to see what types of bacteria grow. Once bacteria are identified, additional tests may be done to determine which antibiotics will work best against them. This is called antibiotic sensitivity testing.
Reference range
No growth of pathogenic bacteria. Result reported as identification of isolated organisms with colony counts and antimicrobial susceptibility when clinically indicated. Reportable organisms typically include Staphylococcus aureus (including MRSA), Pseudomonas aeruginosa, Enterobacteriaceae, Acinetobacter spp., Enterococcus spp., and Streptococcus pyogenes.N/A
No special patient preparation required. The burn wound should not be cleansed with topical antimicrobials for at least 24 hours prior to specimen collection when possible, as this may reduce organism yield. Avoid contamination from surrounding non-burned skin.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Burn wounds are particularly vulnerable to infections because the damaged skin cannot protect against bacteria. This test is crucial for: (1) Confirming whether an infection is present, (2) Identifying the specific bacteria causing the infection, (3) Determining the most effective antibiotic treatment, and (4) Preventing the spread of infection to other parts of the body. Early identification of bacteria in burn wounds can significantly improve healing outcomes and reduce complications.
Frequently asked questions
Why do I need this test if my burn looks infected?
How long does it take to get results?
Does the test hurt?
What if no bacteria grow in the culture?
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