Lymphocytes (%)

Shows the share of lymphocytes among your white blood cells to reflect immune activity.

Last reviewedJune 16, 2026
Whole blood
sample type
~3 mL
blood needed
~7 days
results in app
Any time of day
best timing
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In short

This is the share of your white blood cells that are lymphocytes, given as a percentage. Lymphocytes drive your immune memory and your defence against viruses.

The percentage comes from the differential part of a complete blood count and is best read next to the absolute lymphocyte count.

Blood Health (CBC & Iron)
Reviewed against DGKL reference practice.
Why it matters

Why test this?

A raised lymphocyte percentage is common during and after viral infections. A low percentage can follow acute stress, steroid use, or certain immune conditions. Because a percentage shifts whenever another cell type changes, it is interpreted together with the absolute count rather than on its own.

Reference ranges

What is a normal result?

Aniva reads your result against research-backed ranges, not just the lab's wide normal. The reference shown below is specific to this biomarker.

Typical adult range, automated differential:

MeasureTypical range
Lymphocytes, percent of WBC20 to 45 %

Ranges are guidance only and vary by laboratory and analyser. Read against your lab's own reference range, aligned to German practice (DGKL).

Ranges are guidance and vary by lab and assay, aligned with DGKL practice. Always read your result against your own lab's reference interval.
What you'll learn

What insights will this test give you?

You learn what proportion of your white cells are lymphocytes. With the absolute count and the rest of the differential, it helps point toward a viral infection or an immune shift worth following up.

What affects your level

What can affect this result?

What can skew the result

The percentage moves when any other white cell type rises or falls. Viral infections raise it, while stress and steroids can lower it. Delays before analysis can affect the result.

Best interpreted with

Best read with the absolute lymphocyte count and the other differential percentages, since they all add up to 100 percent of the white cells.

How testing works

How is this tested?

Sample
Whole blood
Blood needed
~3 mL
Method
Flow cytometry
Best timing
Any time of day
FAQ

Common questions

What does a high or low result mean? A higher percentage may follow viral illness or lower neutrophils. A lower percentage can occur with stress, steroid use, or acute illness.

Do I need to fast for this test? No. Fasting does not affect the lymphocyte percentage.

What can affect my results? Recent infections, steroids, immunosuppressants, chemotherapy, intense exercise, smoking, stress, hydration, and pregnancy can change the percentage.

How often should I test this? Usually with a routine CBC, during symptoms, or to monitor treatment. Your clinician may suggest repeats to confirm trends.

How long do results take? Results are usually ready in about 7 days.

What should I discuss with my clinician? Share symptoms, recent illnesses or vaccines, and all medicines. Ask whether to review the absolute lymphocyte count or order a blood smear.

Related biomarkers

Markers usually read alongside this one

On this page
Why testReference rangesWhat you'll learnWhat affects itHow testing worksSourcesFAQ
✦ Privately insured? German PKV usually reimburses.

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