--- title: Neutrophils Test type: biomarker url: "https://www.test-well.com/biomarkers/neutrophils" also_known_as: - neutrophils - neutrophils % - neutrophils (relative) - neutrophil category: Blood Health units: - "%" order_price_usd: 21.99 order_item: CBC with Differential order_url: "https://www.test-well.com/tests/cbc-with-differential" reviewed_at: 2026-09-06 --- # Neutrophils > Neutrophils is measured with a standard blood draw; no fasting is needed. A typical reference range is 40.0 – 70.0 %. At TestWell it's $21.99 all-in as CBC with Differential, results in 1–3 business days, drawn at Quest or Labcorp. An out-of-range result is a prompt to look closer, not a diagnosis. Also known as: neutrophils, neutrophils %, neutrophils (relative), neutrophil. ## Key facts | Fact | Value | | --- | --- | | Units | % | | Sample | Blood draw | | Fasting | Not required | | Results | 1–3 business days | | Price | $21.99 | | Labs | Quest or Labcorp · BioReference in NY/NJ | ## What does Neutrophils measure? The most common type of white blood cell. The first responders to bacterial infection. ## What is the normal range for Neutrophils? | Population | Reference range | | --- | --- | | age 18+ | 40.0 – 70.0 % | Reference intervals differ slightly between labs; the range printed on your report is the one to interpret against. Ranges are usually set so 95% of healthy people fall inside them. ## What does a high Neutrophils mean? A high neutrophil percentage or count (neutrophilia) is most often the normal response to a bacterial infection, inflammation, physical or emotional stress, recent exercise, smoking or corticosteroids. Very high counts with immature cells, or persistent elevation without a cause, are evaluated for bone-marrow disorders. The absolute count matters more than the percentage. ### Common causes of high Neutrophils 1. Bacterial infection, inflammation, tissue injury, surgery 2. Stress, strenuous exercise, smoking, obesity 3. Corticosteroids, lithium, beta-agonists 4. Pregnancy (mild) 5. Chronic myeloid leukemia and other myeloproliferative disorders (rare; very high counts, immature forms) ### Symptoms that go with high Neutrophils - Depends on the cause — fever, localized pain or swelling with infection - Often none ### What clinicians usually check next - Check the absolute neutrophil count, not just the percentage - CRP; repeat in 2–4 weeks when well - Peripheral smear if very high or persistent Follow-up tests at TestWell: [C-Reactive Protein (CRP)](https://www.test-well.com/tests/crp) ($26.99). ### Seek care promptly if - Neutrophil count over ~30 × 10³/µL, or a high count with unexplained bruising, bone pain or night sweats — prompt evaluation **Percentage high but absolute count normal — does it matter?** Usually not. A high percentage with a normal total white count often just reflects a low lymphocyte count; the absolute neutrophil count is what clinicians act on. ## What does a low Neutrophils mean? A low neutrophil count (neutropenia) is commonly benign and inherited — benign ethnic neutropenia is frequent in people of African and Middle Eastern ancestry — or a temporary dip after a viral infection. Medications (chemotherapy, antithyroid drugs, clozapine, some antibiotics and anticonvulsants), autoimmune disease, B12/folate/copper deficiency and marrow disorders are the other causes. Infection risk rises below about 1.0 × 10³/µL. ### Common causes of low Neutrophils 1. Benign (constitutional/ethnic) neutropenia 2. Recent viral infection 3. Medications: chemotherapy, methimazole, propylthiouracil, clozapine, some antibiotics and anticonvulsants 4. Autoimmune conditions, enlarged spleen 5. B12, folate or copper deficiency 6. Bone-marrow disorders, HIV ### Symptoms that go with low Neutrophils - Usually none - Recurrent or severe infections, mouth ulcers when severe ### What clinicians usually check next - Absolute neutrophil count on repeat in 2–4 weeks - B12, folate, HIV test; medication review - Hematology referral if below ~1.0 × 10³/µL or falling Follow-up tests at TestWell: [HIV 1/2 Antigen & Antibodies (4th Gen)](https://www.test-well.com/tests/hiv-test) ($39.99), [Folate (Vitamin B9)](https://www.test-well.com/tests/folate) ($32.99). ### Seek care promptly if - Neutrophils below 0.5 × 10³/µL with fever — emergency care **My neutrophils are 1.4 and I feel fine. Should I worry?** Mild neutropenia that is stable and symptom-free is usually benign, especially if it has always been that way. A repeat and a medication check are the usual steps. ## How do you get tested for Neutrophils? | Order | Type | Price | Includes | | --- | --- | --- | --- | | [CBC with Differential](https://www.test-well.com/tests/cbc-with-differential) | Single test | $21.99 | This marker | | [General Wellness Panel](https://www.test-well.com/tests/general-wellness-panel) | Panel | $49.99 | 4 tests | | [Baseline Anemia Panel](https://www.test-well.com/tests/anemia-panel) | Panel | $74.99 | 5 tests | | [Fatty Liver Panel](https://www.test-well.com/tests/fatty-liver-panel) | Panel | $92.99 | 6 tests | | [Post-COVID Recovery Panel](https://www.test-well.com/tests/post-covid-panel) | Panel | $99.99 | 7 tests | ## Quest vs Labcorp vs BioReference | Lab | Available | Price | Notes | | --- | --- | --- | --- | | Quest Diagnostics | Yes | $21.99 | Choose Quest at checkout; walk-in patient service centers in every state TestWell serves outside NY and NJ. | | Labcorp | Yes | $21.99 | Choose Labcorp at checkout; walk-in patient service centers in every state TestWell serves outside NY and NJ. | | BioReference (NY & NJ) | Yes | $18.99 | New York and New Jersey orders route here automatically — state rules keep Quest and Labcorp from accepting self-ordered draws. | ## Common questions about Neutrophils ### Do I need a doctor's order to test my neutrophils? No. TestWell's licensed physician network reviews and approves your order — usually within minutes. You can place an order online without an in-person visit or a referral from your own doctor. ### How long does it take to get Neutrophils results? Most Neutrophils results are available in 1–3 business days after your specimen arrives at the lab. You'll get an email the moment your results are ready, with everything viewable in your TestWell portal. ### How much does a Neutrophils test cost? Our CBC with Differential starts at $21.99. That's the all-in price — no copays, no insurance hoops, no surprise bills. HSA and FSA cards are accepted. ### Do I need to fast before my Neutrophils test? Fasting is not required for the Neutrophils test. You can have your blood drawn any time of day. ### Which lab will process my Neutrophils test? Your test will be processed by Quest Diagnostics, Labcorp, or BioReference depending on which is closest to you and which lab carries the test. All three are CLIA-certified and trusted by hospitals nationwide. You'll choose your lab during checkout from 4,000+ locations. ## Sources - [Mayo Clinic](https://www.mayoclinic.org/symptoms/neutropenia/basics/definition/sym-20050854) - [MedlinePlus (NIH) — Blood Differential](https://medlineplus.gov/lab-tests/blood-differential/) ## Related biomarkers - [Hemoglobin](https://www.test-well.com/biomarkers/hemoglobin) - [Hematocrit](https://www.test-well.com/biomarkers/hematocrit) - [White Blood Cell Count](https://www.test-well.com/biomarkers/white-blood-cell-count) - [Platelet Count](https://www.test-well.com/biomarkers/platelet-count) - [Red Blood Cell Count](https://www.test-well.com/biomarkers/red-blood-cell-count) - [MCV](https://www.test-well.com/biomarkers/mcv) - [Reference range lookup tool](https://www.test-well.com/tools/reference-range-lookup) - [Lab unit converter](https://www.test-well.com/tools/lab-unit-converter) - [All biomarkers](https://www.test-well.com/biomarkers) --- Medically reviewed by Youmna DiStefano, MD (Medical Reviewer, TestWell); last reviewed 2026-09-06. Review policy: https://www.test-well.com/reviewers/youmna-distefano-md Canonical page: https://www.test-well.com/biomarkers/neutrophils Machine-readable catalog: https://www.test-well.com/api/catalog.json · MCP server: https://www.test-well.com/mcp · Overview for agents: https://www.test-well.com/llms.txt Prices are cash-pay, in USD, and include physician authorization; every order adds one flat $6 lab processing fee. Educational content is not a diagnosis — discuss results with a clinician.