Achromobactin Blocking Antibody (Serum) Total
This test measures the total level of antibodies that may interfere with certain lab tests, specifically those involving achromobactin. These antibodies can affect the accuracy of results for other tests.
["Your test results may be affected by certain antibodies that can interfere with other lab tests."]
Key facts at a glance
- LOINC
- 42937-3
- Short code
- AChR Block Ab/AChR Total SFr Ser
- Synonyms
- AChR Block Ab/AChR Total SFr Ser
- Category
- coagulation
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 22
- Ref high
- 198
- Critical range
- — – 10000 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 82553
- 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
Why This Test Might Be Ordered
Your healthcare provider may order this test if they suspect your blood contains antibodies that could interfere with specific diagnostic tests. This is often done to ensure accurate results when other tests are performed, especially if you have received certain medications or treatments that might trigger such antibodies.
What to Expect Before the Test
No special preparation is needed for this test. You’ll have a small needle inserted into your arm to draw a blood sample. It usually takes a few minutes, and you may feel a brief pinch. Rest for a few minutes afterward if you feel dizzy or lightheaded.
What the Test Measures
This test detects the presence of total blocking antibodies against achromobactin, which are proteins that can bind to other substances in your blood and potentially alter test results. The test helps identify if these antibodies are present at levels that might affect diagnostic accuracy.
What the Results Might Mean
If your results are positive, it means your blood contains antibodies that could interfere with specific lab tests. This doesn’t necessarily mean you have an underlying condition but may require additional testing or adjustments in how certain tests are performed to ensure reliable results.
Reference range
Adult males: 22-198 U/L; Females: 22-198 U/LN/A
No special preparation required. Inform provider of any chest pain or symptoms.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Total Achromobactin Blocking Antibody
Frequently asked questions
What does a positive result mean?
How might this affect my treatment?
Can I prevent this test from being affected by these antibodies?
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 17, 2026. · Read our editorial policy