If your doctor determines that your lymphocyte count is high, the test result might be evidence of one of the following conditions: Infection (bacterial, viral, other) Cancer of the blood or lymphatic system. An autoimmune disorder causing ongoing (chronic) inflammation
a high white blood cell count (WBC) may indicate that the immune system is working to destroy an infection. It may also be a sign of physical or emotional stress. People with particular blood cancers may also have high white blood cells counts.