Fungal Identification by Quantitative PCR (Regions-Specific)
This test detects specific genetic regions of fungi in your body using a molecular technique called PCR. It helps identify fungal species that may be causing an infection.
["PCR testing can pinpoint fungal infections by analyzing genetic material from fungi in your sample."]
Key facts at a glance
- LOINC
- 105012-9
- Short code
- Fungal ITS region Spec Ql Seq
- Synonyms
- Fungal ITS region Spec Ql Seq
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- sequencing
- 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
How the Test Works
The test uses a specialized lab process called Polymerase Chain Reaction (PCR) to amplify and analyze small amounts of fungal DNA. It focuses on particular genetic regions unique to different fungi, allowing for precise identification. Your sample is processed to extract DNA, which is then analyzed for fungal markers.
What Sample Is Collected?
The sample collected for this test is typically a biological fluid or tissue where fungal DNA might be present, such as blood, cerebrospinal fluid, or respiratory secretions. The specific region of the body from which the sample is taken depends on clinical suspicion for fungal infection.
When Might You Need This Test?
This test may be recommended if you have symptoms suggestive of a fungal infection, such as persistent fever, unusual skin lesions, or neurological symptoms. It is often used in patients with weakened immune systems, those undergoing chemotherapy, or those with known fungal exposure.
What Are Common Causes?
Fungal infections can arise from various sources, including environmental exposure to spores, weakened immune defenses, or underlying medical conditions that make you more susceptible. Common fungi causing infections include Candida, Aspergillus, and Cryptococcus.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Identifying the specific fungal species through this test is crucial for accurate diagnosis and appropriate treatment. Fungal infections can be life-threatening if not managed promptly, and knowing the exact cause helps healthcare providers tailor treatment options, such as antifungal medications.
Short name
Fungal PCR Regions Test
Frequently asked questions
Why might my doctor order this test?
What does a positive test mean?
How long will it take to get results?
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