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Also known as: NH3

Specimen requirements

Sample type: Plasma (EDTA)

Collection requirements: Specimen must be separated and analysed within one hour of collection


Price on application

Turnaround time

Please see Turnaround times

Analytical method


Analysis undertaken at these site(s)

  • John Radcliffe Hospital
  • Churchill Hospital
  • Horton General Hospital

Reference intervals

Premature neonate: less than 150 µmol/L

Term neonate: less than 100 µmol/L

Infant / child / adult: less than 40 µmol/L