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Neutrophils 7 %

Very low

Contact your doctor promptly to discuss this result.

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  • Very low
  • Markedly low
  • Low
  • Borderline low
  • Normal
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  • Very high
Your band
Very low · 1–1 %
Distance from typical range
33 % below 40

What 7 % means

A neutrophil level of 7% is far below the typical adult range of about 40–70% and needs medical attention promptly, especially if you have a fever or feel unwell.

In an adult, a neutrophil percentage this low almost never happens by chance. It usually means either that very few neutrophils are being made or surviving, or that another white cell type (usually lymphocytes) has multiplied so much that it dominates the count. If your total white blood cell count is also low, your absolute neutrophil count may be dangerously low, which sharply raises infection risk. Occasionally a result like this reflects a sample or lab problem, which is why an urgent repeat test is often the first move.

Most US laboratories consider roughly 40% to 70% of white blood cells to be neutrophils in healthy adults, though cutoffs vary slightly by lab (some use ranges such as 45%–75%).

Common causes

  • A severe drug reaction (agranulocytosis) from medications such as clozapine, methimazole, or certain antibiotics
  • Chemotherapy or radiation therapy suppressing the bone marrow
  • Bone marrow diseases such as aplastic anemia, myelodysplastic syndrome, or leukemia
  • An overwhelming infection consuming neutrophils faster than they are made
  • A very large excess of lymphocytes (for example, in chronic lymphocytic leukemia) pushing the percentage down
  • Severe vitamin B12 or folate deficiency
  • A clotted or degraded blood sample producing a false result

Symptoms that can go with it

  • Fever or chills
  • Sore throat or painful swallowing
  • Mouth ulcers or gum pain
  • Skin infections that keep appearing or won't heal
  • Marked fatigue
  • Sometimes no symptoms at all

Sensible next steps

  1. Contact your healthcare provider or their on-call line today — do not wait for a routine appointment
  2. If you have a fever of 100.4°F (38°C) or higher, shaking chills, or feel very unwell, go to emergency care and tell them your neutrophils may be very low
  3. Ask for your absolute neutrophil count (ANC) and an urgent repeat CBC to confirm the result
  4. Write down every medication and supplement you take — several can cause this
  5. Until you have answers, avoid obvious infection exposures and discuss precautions with your clinician

Frequently asked questions

Is 7 % a normal neutrophils level?

No — 7% is far below the typical adult range of about 40–70% and should be reviewed with a clinician today, especially if you have a fever.

What does a low neutrophil percentage mean?

At this level it usually points to a serious drop in neutrophil production — sometimes a drug reaction or bone marrow problem — or a very large excess of other white cells. Either way it needs prompt medical review and an urgent ANC check.

What causes a high neutrophil percentage?

The most common drivers are bacterial infections, inflammation, physical stress on the body (surgery, injury, intense exercise), smoking, and corticosteroid medicines like prednisone. Neutrophils are the body's rapid-response cells, so their share of the white count climbs quickly when something is going on.

What is the difference between the neutrophil percentage and the absolute neutrophil count (ANC)?

The percentage tells you what share of your white blood cells are neutrophils; the ANC tells you how many neutrophils you actually have per microliter of blood (percentage multiplied by total WBC). Doctors make decisions — including the formal diagnosis of neutropenia — based on the ANC, because the percentage can look abnormal even when the real neutrophil number is fine. Whenever your percentage is flagged, ask what your ANC is.

Should I worry about neutrophils of 7 % if I feel fine?

Yes, this one still needs action today even without symptoms, because a value this low can mean your infection defenses are severely reduced. Call your provider now and ask about your ANC.

Can stress, smoking, or exercise change my neutrophil percentage?

Yes, all three raise it. Stress hormones like cortisol and adrenaline pull neutrophils from blood vessel walls and marrow stores into circulation within hours, hard exercise shortly before a draw does the same, and smokers run measurably higher neutrophil counts than non-smokers. That is why a mildly elevated value in someone who feels well is often rechecked on a calmer day before anyone draws conclusions.

Check a different Neutrophils value

Related values on your lab report

Sources

Educational information, not medical advice. Reference ranges vary between labs — always compare with the range printed on your own report and discuss results with your doctor. Full disclaimer