###### D74  methemoglobin máu
**D74.0 methemoglobin máu bẩm sinh**

Thiếu hụt enzim NADH- methaemoglobin khử
bẩm sinh
Bệnh huyết sắc tố M (Hb-M)


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Methaemoglobinaemia, hereditary

**D74.8 Other methaemoglobinaemias**

Acquired methaemoglobinaemia (with
sulfhaemoglobinaemia)
Toxic methaemoglobinaemia
Use additional external cause code (Chapter XX),
if desired, to identify cause.

**D74.9 Methaemoglobinaemia, unspecified**