Dual-Specific Antibody Serum Antibody Concentration (Quantitative)
This test measures the amount of antibodies specific to two different antigens in your serum. These antibodies may be part of a diagnostic or monitoring panel for autoimmune conditions or infections.
["This test helps track immune responses or detect specific antibodies in your blood."]
Key facts at a glance
- LOINC
- 5130-0
- Short code
- dsDNA Ab Ser-aCnc
- Synonyms
- dsDNA Ab Ser-aCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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 two distinct antibody types (likely targeting different pathogens or self-antigens) in your serum. The method combines immunoassay techniques to quantify their concentrations precisely. This may include detecting antibodies against viral proteins, autoantigens, or other targeted molecules depending on clinical context.
Why It’s Ordered
Your healthcare provider may order this test to diagnose or monitor conditions such as autoimmune diseases, infections, or vaccine responses. It could also be part of a broader screening or confirmatory panel for conditions like certain cancers, chronic infections, or immune-related disorders.
Sample Collection and Preparation
A blood sample is drawn from a vein, typically in your arm. The blood is processed to separate serum (the liquid part after clotting), which is then analyzed. You may be asked to fast or avoid certain medications before the test, depending on clinical instructions.
What to Expect Before the Test
No special preparation is required for this test, but always follow your healthcare provider’s instructions. If you’re on medications that affect immune function, they may advise adjustments. Avoid heavy meals or alcohol before the draw to ensure accurate results.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Elevated or specific antibody levels can indicate active infection, chronic inflammation, autoimmune activity, or a successful immune response (e.g., post-vaccination). Low or absent levels may suggest immune deficiency, suppressed immune activity, or prior clearance of the antigen. Results are interpreted in the context of your medical history and symptoms.
Short name
Dual-Specific Antibody Test (Serum)
Frequently asked questions
What Does a Positive or Abnormal Result Mean?
How Often Should I Get This Test?
Can Diet or Medications Affect 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