WHITE BLOOD COUNT; WBC COUNT

What this test checks

Counts the total white blood cells in your blood. High counts often mean infection; low counts can mean viral illness or marrow problems.

Why do people get this test?

Standard test for fever, infection, and routine health monitoring.

When you should consider this test

• Fever or suspected infection
• Routine checkup
• Monitoring during illness

How to prepare

No fasting needed.