ABSOLUTE LYMPHOCYTE COUNT; ALC

What this test checks

Counts lymphocytes — the white cells responsible for long-term immunity. Useful in viral infections and immune evaluations.

Why do people get this test?

Used in evaluating viral infections, immune deficiency, and certain blood disorders.

When you should consider this test

• Recurrent viral infections
• Immune deficiency work-up
• Specialist requested

How to prepare

No fasting needed.