Combined Vaccine Antibody Response (Mass Concentration) in Serum/Plasma
This test measures the amount of antibodies your body produces in response to a combined vaccine (e.g., a vaccine that includes multiple immunizations in one dose). Antibodies help your immune system recognize and fight specific pathogens.
["This test helps assess how well your immune system is responding to vaccination."]
Key facts at a glance
- LOINC
- 30940-1
- Short code
- MMR dose count in combo vaccine
- Synonyms
- MMR dose count in combo vaccine
- 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 quantifies the concentration of antibodies in your blood, specifically targeting antigens from the combined vaccine. This helps determine if your immune system has generated enough antibodies to protect you against the included pathogens.
Why It’s Done
Your healthcare provider may order this test if you’ve received a combined vaccine and want to check if your immune response is adequate. It’s also used in monitoring immune responses in people with weakened immune systems or those who may not respond well to vaccines.
Sample Collection and Preparation
A blood sample is drawn from a vein, usually in your arm. The blood is then separated into serum or plasma for testing. This process is quick and typically done in a healthcare setting.
What to Expect Before the Test
No special preparation is usually needed, but you may be asked to avoid certain medications or foods for a short time before the test if instructed by your provider. Always follow your healthcare provider’s specific instructions.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Vaccine Antibody Level (Mass Concentration)
Frequently asked questions
How might my antibody levels affect my health?
What do my results mean for my vaccination status?
Can this test be used to determine if I’m immune to all diseases in the combined vaccine?
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