: Microorganism Identified by Aerobic Culture and Growth Detection of Body Fluid
: This test uses a laboratory culture to detect and identify microorganisms (such as bacteria or fungi) that may be growing in a sample of body fluid. It helps determine whether an infection is present and, if so, what organism is causing it.
[": A body fluid culture helps identify a microbial infection and guide appropriate treatment."]
Key facts at a glance
- LOINC
- 90424-3
- Short code
- Microorg prel grow det pnl Fld Cult
- Synonyms
- Microorg prel grow det pnl Fld Cult
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- culture
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
: What This Test Is
: A body fluid culture is a laboratory test in which a sample of fluid from the body is placed in conditions that encourage microorganisms to grow. If organisms grow, the laboratory identifies them so your care team can better understand what may be causing symptoms.
: Why It May Be Ordered
: Your healthcare provider may order this test when there are signs or symptoms that could suggest an infection in a body fluid, or when monitoring a known or suspected infection. The results can help guide decisions about further testing and treatment.
: How the Sample Is Collected
: A sample of the relevant body fluid is collected by a trained healthcare professional using standard sterile technique. The sample is then sent to the laboratory for culture and growth detection. Your provider will explain how the collection is done for your specific situation.
: What the Results Mean
: Results generally describe whether any microorganisms grew and, if so, what type was identified. A "no growth" result suggests no microorganisms were detected under the test conditions, while growth may indicate an infection. Your provider will interpret results alongside your symptoms and other findings.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
: A body fluid culture is clinically significant because identifying a causative microorganism can help distinguish infection from other causes of symptoms and can inform treatment decisions. Results should always be interpreted by a healthcare provider in the context of the patient's overall clinical picture.
Short name
: Body Fluid Culture
Frequently asked questions
: Does a negative culture mean there is definitely no infection?
: How long do culture results take?
: Will this test tell my provider which antibiotic to use?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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