hyperammonemia

noun

hy·​per·​am·​mo·​ne·​mia ˌhī-pə-ˌram-ə-ˈnē-mē-ə 

variants also hyperammoniemia

ˌhī-pə-rə-ˌmō-nē-ˈyē-mē-ə 

or chiefly British hyperammonaemia also hyperammoniaemia

: the presence of an excess of ammonia in the blood

hyperammonemic adjective

or chiefly British hyperammonaemic

ˌhī-pe-ˌram-ə-ˈnē-mik