Monocytes
Monocytes circulate briefly in blood before entering tissues to become macrophages and dendritic cells that engulf pathogens, clear debris, and present antigens. Elevated counts are seen in chronic infection, tuberculosis, autoimmune disease, and certain leukemias;low counts can occur with severe bone marrow suppression or aplastic anemia.
20 of 22 providers
Complete Blood Count (CBC)
2-8% or 0.2-0.8 x10^9/L
What is Monocytes?
Monocytes circulate briefly in blood before entering tissues to become macrophages and dendritic cells that engulf pathogens, clear debris, and present antigens. Elevated counts are seen in chronic infection, tuberculosis, autoimmune disease, and certain leukemias;low counts can occur with severe bone marrow suppression or aplastic anemia.
Why It Matters
Phagocytes that engulf pathogens and debris. Elevated in chronic infections, autoimmune diseases. Transform into tissue macrophages for ongoing immune surveillance.
Which Providers Test Monocytes?
Full Provider Comparison
| Provider | Includes | Annual Cost | Biomarkers |
|---|---|---|---|
 Superpower | ✓ | $199 | 100+ (150 with ratios) |
 WHOOP Advanced Labs | ✓ | $349 | 65 |
 Labcorp OnDemand | ✓ | $398 | 40+ |
| ✓ | $486 | 40+ | |
| ✓ | $449 | 288 | |
| ✓ | $349 | 100+ | |
| ✓ | $829 | 54 | |
 Function Health | ✓ | $365 | 160+ |
| ✓ | $250 | 65 | |
| ✓ | $495 | 80+ | |
| ✓ | $895 | 100+ | |
| ✓ | $1950 | 130+ | |
| ✓ | $375 | 95+ | |
| — | $Varies | 75+ | |
| ✓ | $190 | 100+ | |
| ✓ | $99 | 50 | |
| — | $124 | 60 | |
| ✓ | $349 | 130+ | |
| ✓ | $349 | 80+ | |
| ✓ | $375 | 85 | |
| ✓ | $700 | 128 | |
| ✓ | $99 | 100+ |
Frequently Asked Questions
What is Monocytes?
Monocytes circulate briefly in blood before entering tissues to become macrophages and dendritic cells that engulf pathogens, clear debris, and present antigens. Elevated counts are seen in chronic infection, tuberculosis, autoimmune disease, and certain leukemias;low counts can occur with severe bone marrow suppression or aplastic anemia.
What is the optimal range for Monocytes?
The standard reference range for Monocytes is 2-8% or 0.2-0.8 x10^9/L. Optimal ranges may differ based on individual health goals and expert recommendations.
Which blood test providers include Monocytes?
20 out of 22 blood testing providers include Monocytes in their panels. This biomarker is widely available across major providers.
What category does Monocytes fall under?
Monocytes is categorized under Complete Blood Count (CBC). This category includes biomarkers that help assess related aspects of health and wellness.
Medical Disclaimer
This information is for educational purposes only and is not medical advice. Always consult with a qualified healthcare provider about your specific health needs.
Last reviewed:2026-04-12