Lab reference

HbA1c

Glucose

For education. Check every result.

Anatium is a study resource, not medical advice. Nothing here is a diagnosis, a prescription or a substitute for a clinician who has seen the patient. Check every number against a current local protocol before it touches anyone, and never act on a result you cannot reproduce yourself.

Reference range

Range4 to 5.6 %

About

Average glycaemia over about three months. Falsely LOW where red cells are young or short-lived, falsely HIGH where they are old or turnover is slow.

When it is low

falsely low where red cells are young or short-lived: haemolysis, recent blood loss or transfusion, pregnancy, erythropoietin therapy, haemoglobinopathies

When it is high

Diabetes: 5.7-6.4% prediabetes, 6.5% or above diabetes. Reflects a 2-3 month average. falsely high where red cells are old or turnover is slow: Iron, B12 and folate deficiency, chronic kidney disease, splenectomy, alcohol - correct the deficiency before escalating diabetes treatment on the number

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