Diagnosis of Lupus

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Because SLE can show up in a number of ways it is sometimes initially misdiagnosed; for example as rheumatoid arthritis, multiple sclerosis or ME.

A range of blood tests can be carried out to help diagnose SLE. Most people with lupus will test positive for an antibody called the antinuclear antibody (ANA). People with a positive ANA test do not necessarily have SLE as other conditions will cause a positive result, but a positive result combined with other characteristic symptoms will help to diagnose the condition.

Another blood test can be carried out when the condition is diagnosed. By measuring a chemical in the blood called complement, doctors can assess how active the disease is within your system.

Once SLE has been diagnosed, other tests will be used to check the level of your health. This may include blood tests for anaemia, kidney function test, or scans of the heart and other organs.