Helm Health

cbc · ALC

Absolute Lymphocyte Count

The number of lymphocytes, the white cells central to the immune response (including antibodies and antiviral defense). Counts shift with viral infections, stress, and immune conditions.

This page is general wellness education, not medical advice. Your own lab’s reference range and your clinician’s interpretation always take precedence.

Typical reference range

GroupGeneral range
Adults~1,000–4,000 cells/uL

Units: 10^3/uL. Ranges vary by lab and assay — read yours against the range printed on your own report.

What high Absolute Lymphocyte Count can mean

  • Viral infections
  • Some chronic infections
  • Certain blood conditions

What low Absolute Lymphocyte Count can mean

  • Acute infections/illness
  • Steroids
  • Severe stress
  • Immune conditions

Related markers

Sources