Purpose of test
The test is mainly used to diagnose systemic lupus erythematosus (SLE).
About 50% to 75% of patients with lupus have a positive test.
Some patients with rheumatoid arthritis, scleroderma, and drug sensitivities (see drug-induced lupus erythematosus) also have a positive LE cell test.
Test Result Interpretation
No presence of LE cells is normal.
No preparation required.