Tigecycline Susceptibility by Molecular Testing (Slow-Acting Mechanism)
This test checks how tigecycline, a broad-spectrum antibiotic, may affect certain bacteria in your sample. It helps determine if the bacteria are likely resistant or sensitive based on slow-acting mechanisms.
["This test helps guide antibiotic treatment by assessing bacterial response to tigecycline over time."]
Key facts at a glance
- LOINC
- 55158-0
- Short code
- Tigecycline Islt SlowMyco
- Synonyms
- Tigecycline Islt SlowMyco
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- method-for-slow-growing-mycobacteria
- 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
Tigecycline is an antibiotic used to treat serious infections caused by bacteria that may not respond to other medications. This test evaluates the bacteria’s reaction to tigecycline by analyzing genetic or biochemical markers that indicate slow resistance mechanisms. The result helps clinicians decide if tigecycline is an appropriate choice for your infection.
Why It’s Done
Your healthcare provider may order this test if you have a bacterial infection that is difficult to treat with standard antibiotics. Slow-acting resistance mechanisms can sometimes be missed with traditional testing methods, so this test provides additional insight into how your bacteria might respond to tigecycline.
How the Test Works
This test involves collecting a sample (likely blood, urine, or other bodily fluid) and analyzing it using advanced molecular techniques. The slow mechanism detection identifies specific genetic or metabolic changes that suggest resistance patterns over time, rather than immediate resistance.
What to Expect Before the Test
No special preparation is typically required unless your provider specifies. Follow any instructions they give, such as fasting or avoiding certain medications, to ensure accurate results. Bring any recent medications or supplements to discuss with your provider.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Results from this test can influence treatment decisions by confirming or challenging the effectiveness of tigecycline. Slow-acting resistance may indicate that the bacteria are developing resistance gradually, which could require alternative antibiotics or prolonged treatment. Early detection helps prevent unnecessary antibiotic use and reduces the risk of antibiotic resistance in your community.
Short name
Tigecycline MIC Screening
Frequently asked questions
What does a positive or negative result mean?
How long will it take to get the results?
Can I take antibiotics before this test?
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