Test Details

• Discipline:

  Biochemistry

  Biochemistry

• Specimen Container Adult:

  Saliva (collected in Salivette or passively into plain plastic tube)

  Saliva (collected in Salivette or passively into plain plastic tube)

• Specimen Container Paediatric:

  Saliva (collected in Salivette or passively into plain plastic tube)

   

  Saliva (collected in Salivette or passively into plain plastic tube)

   

• Minimum Volume Adult:

  0.5 mL

  0.5 mL

• Minimum Volume Paediatric:

  0.5 mL

  0.5 mL

• Special Requirement:

  Samples should usually be taken between 23:00 and midnight when screening for Cushing's

  Samples should usually be taken between 23:00 and midnight when screening for Cushing's

• Sample Stability:

  Store at -20°C

  Store at -20°C

• Reference Ranges:

  Morning <9.1 nmol/L
  Late-night (23:00-00:00) <2.8 nmol/L

  Morning <9.1 nmol/L
  Late-night (23:00-00:00) <2.8 nmol/L

• Routine Contact Name:

  Duty Biochemist

• Routine Telephone:

  Freeman: 0191 244 8889
  RVI: 0191 282 9719

  Freeman: 0191 244 8889
  RVI: 0191 282 9719

• Routine Email:

  nuth.dutybiochemist@nhs.net

• Specialist Test:

  Yes

  Yes

• Specialist Contact Name:

  Endocrine Lab

  Endocrine Lab

• Specialist Telephone:

  0191 282 4025

  0191 282 4025