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Rubella Antibodies Blood Test, IgM

A Rubella Antibodies Blood Test is used for detection of acute rubella infection

Test Code: 096537

Also Known As: German Measles Specific IgM; German measles; Three day measles

Methodology: Chemiluminescent immunoassay (CLIA)

Preparation: No special preparation required.

Test Results: 1-2 days. May take longer based on weather, holiday or lab delays.


Rubella is an infection caused by a virus. It is usually mild with fever and a rash. About half of the people who get rubella do not have symptoms. If you do get them, symptoms may include

  • pink or red rash that begins on the face and then spreads downward to the rest of the body
  • mild fever, usually under 102°F
  • Aching joints, especially in young women
  • swollen and tender lymph nodes
  • runny or stuffy nose
  • headache
  • muscle pain
  • inflamed or red eyes

Rubella is most dangerous for a pregnant woman's baby. It can cause miscarriage or birth defects.

Although these symptoms may not seem serious, you should contact your doctor if you suspect you have German measles. This is especially important if you’re pregnant or believe you may be pregnant.

In rare cases, German measles can lead to ear infections and brain swelling. Call your doctor immediately if you notice any of the following symptoms during or after a German measles infection:

  • prolonged headache
  • earache
  • stiff neck

Rubella spreads when an infected person coughs or sneezes. People without symptoms can still spread it. There is no treatment, but the measles-mumps-rubella (MMR) vaccine can prevent it.

Rubella-specific IgM is found in virtually all infected patients by three weeks postdevelopment of a rash

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