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Mycoplasma suis nucleic acid detection by probe (qualitative)

Published: August 9, 2026Updated: August 16, 2026

This test checks for the presence of genetic material from *Mycoplasma suis*, a bacterium that can cause respiratory infections in pigs. It is often used in veterinary medicine to diagnose infections in animals.

Quick summary

This test helps confirm if your animal has an infection caused by *Mycoplasma suis* through genetic testing.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
90325-2
Short code
Mycoplasma suis DNA Ct Spec Qn NAA+probe
Synonyms
Mycoplasma suis DNA Ct Spec Qn NAA+probe
Category
chemistry
Sample
plasma
Container
Lavender-top (EDTA) or Green-top (Heparin)
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 detects the DNA or RNA of *Mycoplasma suis* using a specialized molecular probe. This method is highly sensitive and can identify even small amounts of the bacterium’s genetic material in a sample.

How the Test Works

A sample (likely from respiratory secretions or blood) is collected and analyzed using polymerase chain reaction (PCR) technology. The probe binds to specific sequences in the bacterium’s genetic material, allowing for detection if present.

Why It’s Done

Veterinarians may order this test to diagnose respiratory illnesses in pigs, such as those caused by *Mycoplasma suis*, which can lead to pneumonia or other lung infections.

Sample Collection and Preparation

The test requires a biological sample (e.g., nasal swab, lung fluid, or blood) collected by a veterinarian. The sample is then processed in a lab to extract genetic material for testing.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: This test is primarily used in veterinary medicine to confirm infections in pigs. Positive results indicate the presence of *Mycoplasma suis*, which can guide treatment decisions, such as antibiotic therapy or supportive care. Early detection helps prevent disease spread and improves outcomes.

Short name

Mycoplasma suis PCR (qualitative)

Frequently asked questions

What does a positive result mean?
A positive result means the test detected genetic material from *Mycoplasma suis* in your animal’s sample. This suggests an active infection, and your veterinarian may recommend further testing or treatment based on clinical signs.
What does a negative result mean?
A negative result means no genetic material from *Mycoplasma suis* was detected in the sample. However, this does not rule out infection entirely—other causes of symptoms may exist, or the infection may be too early or too mild to detect.
How long does it take to get results?
Results are typically available within 24 to 72 hours, depending on lab processing times. Your veterinarian will contact you with the outcome once it is ready.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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