Beta-2 Microglobulin (B2M)
Beta-2 microglobulin is a small cell-surface protein present on nucleated cells, naturally cleared through glomerular kidney filtration.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
1 – 2.4 mg/L
1 – 2.4 mg/L
1 – 2.4 mg/L
What does a low result mean?
A low value confirms prompt kidney clearance and calm cellular turnover.
What does a high result mean?
A modest increase is very common with advancing age, slightly slower kidney clearance, or recent immune activation.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Does this align consistently with my creatinine and kidney filtration rate?
- Could recent immune activation account for this variation?
- Is routine follow-up on my next checkup adequate?
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Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.