Polymorphs (Absolute)

Other names: POLYS, ABS. COUNT

Optimal Result: 1.3 - 7 x10E3/uL.

White Blood Cell Differential Test

From Healthmatters.io Team

Lab Results Explained and Tracked

Polymorphs (Absolute) – POLYS, ABS. COUNT

What Is It?

Polymorphs (Absolute), also known as the Absolute Neutrophil Count (ANC) or POLYS, ABS. COUNT, is a lab test that measures the number of neutrophils (a type of white blood cell) in a specific volume of blood, typically expressed in cells per microliter (cells/µL).

Neutrophils are a type of polymorphonuclear leukocyte (hence “polymorphs”), and they play a critical role in the body’s immune response, especially in defending against bacterial and fungal infections.

Why Is This Test Important?

Neutrophils are the body's first line of defense against infection. Measuring the absolute number—as opposed to just the percentage—gives a more accurate picture of your body’s immune strength. This test is often part of a Complete Blood Count (CBC) with differential.

Reference Range

The normal range for Polymorphs (Absolute) or ANC is typically:
1,500 to 8,000 cells/µL, though ranges may slightly vary between laboratories.

What Does a High Count Mean? (Neutrophilia)

An elevated absolute neutrophil count may suggest:

Bacterial infection (most common cause)
Inflammation (e.g., rheumatoid arthritis)
Physical or emotional stress
Tissue damage (e.g., surgery, trauma, heart attack)
Use of corticosteroids
Smoking
Certain leukemias or bone marrow disorders

What Does a Low Count Mean? (Neutropenia)

A low absolute neutrophil count may indicate:

Viral infections (e.g., influenza, hepatitis, HIV)
Severe bacterial infections (especially overwhelming or long-standing)
Bone marrow disorders or suppression
Chemotherapy or radiation therapy
Autoimmune diseases (e.g., lupus)
Nutritional deficiencies (e.g., vitamin B12 or folate)

Depending on how low the count is, neutropenia can increase your risk for infections, which may become serious quickly.

Clinical Significance

The Absolute Neutrophil Count (ANC) is crucial for monitoring:

Immune system function in patients undergoing chemotherapy or organ transplantation.
Infection risk in immunocompromised individuals.
Bone marrow health in cases of unexplained fatigue, frequent infections, or abnormal CBC results.

When to Be Concerned

ANC < 1,500 cells/µL: mild neutropenia
ANC < 1,000 cells/µL: moderate neutropenia (increased infection risk)
ANC < 500 cells/µL: severe neutropenia (high risk of life-threatening infections)

In such cases, immediate medical evaluation is advised, especially if you develop a fever or other signs of infection.

Final Thoughts

The Polymorphs (Absolute) or POLYS, ABS. COUNT test provides essential information about your body’s ability to fight infections. Whether elevated or decreased, it often serves as an important clue in diagnosing underlying conditions or monitoring treatment responses. Results should always be interpreted alongside other clinical findings by a healthcare professional.

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Polymorphs (Absolute)

Polymorphs (Absolute) – POLYS, ABS. COUNT

What Is It?

Why Is This Test Important?

Reference Range

What Does a High Count Mean? (Neutrophilia)

What Does a Low Count Mean? (Neutropenia)

Clinical Significance

When to Be Concerned

Final Thoughts

All Your Lab Results. One Simple Dashboard.

All Your Lab Results. One Simple Dashboard.

Import, Track, and Share Your Lab Results Easily

Import, Track, and Share Your Lab Results

Article Review & Sources

Bring All Your Lab Results Together — In One Place

Gather Your Lab History — and Finally Make Sense of It

Finally, Your Lab Results Organized and Clear

Advanced Plan

Unlimited Account

Pro Monthly

What's included in a Healthmatters membership

Import Lab Results from Any Source

See Your Health Timeline

Understand What Your Results Mean

Enter Your Lab Reports Yourself — Always Free Enter Your Lab Reports — Always Free

Visualize Your Results

Export Your Complete Lab History in a Single File Export Your Complete Lab History

Comprehensive Data Entry Service for Your Reports Data Entry Service for Your Reports

Securely Share With Anyone You Trust

Let Your Lab Results Tell the Full Story

Once your results are in one place, see the bigger picture — track trends over time, compare data side by side, export your full history, and share securely with anyone you trust.

Bring all your results together to compare, track progress, export your history, and share securely.

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All Your Lab Results.
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