Lab marker · Low

Low Myeloperoxidase (MPO): what it means

A Myeloperoxidase (MPO) result below the normal range is considered low. Here is what a reduced Myeloperoxidase (MPO) can point to, and when it is worth discussing with a doctor.

Reference range: reference range assay-dependent; an enzyme from white blood cells that drives oxidative inflammation in the artery wall — a research/adjunct cardiovascular-risk marker

Understand your full result

What a low Myeloperoxidase (MPO) can mean

  • Lower vascular inflammatory activity — generally reassuring in a cardiovascular-risk context.
  • Normal — the expected result outside significant inflammation.

When to discuss with a doctor

Myeloperoxidase is a specialised, adjunct marker of vascular inflammation, not a routine or standalone diagnostic test. In cardiovascular risk assessment it can add information to markers such as hs-CRP and Lp-PLA2 and the standard lipid picture, and it has been studied in the assessment of chest pain — but it does not diagnose or rule out a heart attack, and chest pain always needs urgent clinical evaluation in its own right. Because it also rises with infection and other inflammation, a high level is interpreted alongside the whole picture rather than acted on alone. Mediora.AI shows MPO with the other inflammation and lipid markers so it is read in context; the interpretation and any action belong with your doctor.

Keep reading

One value is a snapshot. Upload the full test to see every marker explained together.

Upload your test - free

Mediora.AI is informational - interpretation, not a diagnosis. A single out-of-range value is common and often benign; always discuss decisions with your doctor.