Mentzer index as MCV in fL divided by RBC count in millions per µL (Mentzer 1973 Lancet letter). Quotient <13 favors β-thalassaemia trait; >13 favors iron deficiency; 13 is indeterminate. Deterministic published arithmetic with citation. Not a diagnosis of thalassemia or iron deficiency; magent does not apply later cutoffs that are not in that letter.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0x836B...9Ee2 |