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Reference ranges Reference range: <700 mIU/L.
nmol/L
Reference ranges For insulinoma investigations in an adult, an Insulin level greater than 25 pmol/L (and a C-Peptide greater than 75 pmol/L) may be consistent
Reference range: Ø Pre dose: 10 – 20 mg/L.
TSH (mIU/L)
U/L
tube (Trust users only) Paediatric 1ml serum Sample Time limit for add-on 3 days Turnaround Times 14 days Reference Range <= 60 years old 0.8 – 2.4 mg/L
µmol/L
Reference ranges Less than 1 year old: 120 - 325 nmol/L Greater than 1 year old: 73 - 210 nmol/L Unit conversion factor: µg/L x 18.2 nmol/L Further information
Opioid conversion calculator Palliative care guidance NHS Scotland Supportive care for renal patients Transdermal patch where eGFR greater than 30 mmol/l
Reference ranges <2.2 IU/L: Negative 2.2-3.3 IU/L: Equivocal >3.3 IU/L: Positive Further information For further information about thyroid antibody testing
ng/l
Reference ranges 0-9 years : <30 U/L 10-17 years: <40 U/L ≥18 years: <67 U/L Further information Lab Tests Online Page last updated: 30/11/2023
Thyroglobulin antibody levels > 20 KU/L could potentially cause interference in the current thyroglobulin assay.
If a random glucose is >11.0 mmol/L diabetes is likely.
mg/L
Other recommendations include measuring blood glucose regularly and aiming for blood glucose levels of 6-12 mmol/l throughout surgery.
µg/L
Using a measuring spoon produced a drink with a mean sodium concentration level of 146 mmol/L, far greater than the desired 90 mmol/L.