Mycobacterium marinum DNA (Qualitative, Nucleic Acid Probe)
This test detects the presence of genetic material from *Mycobacterium marinum*, a bacterium that can cause infections in humans, often linked to contact with water or moist environments.
["A simple test to check for *Mycobacterium marinum* DNA in your sample, helping diagnose potential infections."]
Key facts at a glance
- LOINC
- 103192-1
- Short code
- Mycobact marinum DNA Wnd Ql NAA+probe
- Synonyms
- Mycobact marinum DNA Wnd Ql NAA+probe
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe-amp-tar
- 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 Measures
The test uses a specialized probe to identify specific DNA sequences unique to *Mycobacterium marinum*. This is a qualitative result, meaning it only tells whether the DNA is present or not, without quantifying the amount.
How the Test Works
A small sample of your bodily fluid (likely blood, serum, or other fluid) is collected and analyzed for genetic material. The probe binds to *Mycobacterium marinum* DNA if it is present, triggering a detectable signal.
Why It Might Be Ordered
Your healthcare provider may order this test if you have symptoms of infection (such as skin lesions, fever, or fatigue) and have had recent exposure to water sources where *Mycobacterium marinum* is commonly found, like ponds, aquariums, or humidifiers.
What to Expect Before the Test
No special preparation is typically needed. You may be asked to avoid certain medications that could interfere with the test results, but this is rare for this type of probe-based assay.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
A positive result strongly suggests an infection caused by *Mycobacterium marinum*, which can lead to skin, lung, or other organ infections. Early diagnosis is important for appropriate treatment, often involving antibiotics tailored to the specific bacterium.
Short name
Mycobacterium marinum DNA Probe
Frequently asked questions
What does a positive result mean?
What does a negative result mean?
Can this test be used for routine screening?
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