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Materials required 1mg tablet (or 2 x 0.5 mg e.g. Decadron MSD) of dexamethasone to be taken orally.
Reference ranges Plasma: 3-20 nmol/ml/hr Leucocytes: 10-50 nmol/mg/hr Bloodspot: 6.3 - 47.0 pmol/punch/hr A control enzyme will also be tested for and
Normal (target) levels Pre dose <10 mg/L Post dose (2h) 10-25 mg/L Result interpretation If there is any doubt regarding interpretation, or a dose change
Results are reported as mg/100mL. Further information Lab Tests Online Road Traffic Analysts Page last updated 11/05/2015
Therapeutic range 10 - 40 mg/L Further information To learn more about phenobarbital visit Lab Tests Online
Upper limit of normal mg GAG/mmol creatinine
Sample requirements If the patient is on high dose biotin therapy (>5 mg/day), collect the sample at least 8 hours after the last dose 5 ml of blood taken
Blood levels are reported in mg/L.
Therapeutic range 5 - 20 mg/L (Phenytoin is 90% protein bound principally to albumin, and hence in certain situations assay of a free phenytoin level may
Sample requirements If the patient is on high dose biotin therapy (>5 mg/day), collect the sample at least 8 hours after the last dose.
(levonorgestrel 1.5 mg)
□ Recent HbA1c checked and discussed with diabetes team □ Taking Folic Acid 5 mg for 3 months □ In regular contact with the Diabetes Team Please continue
Once initiated, an antidote should be continued until the plasma ethylene glycol concentration is less than 50 mg/L.
Minoxodil is available as a 2.5 milligrams (mg) tablet. At lower doses it can still stimulate hair growth but side effects are kept to a minimum.
Epistatus either in a multi-dose bottle or a 10 mg pre-filled syringe is only licensed for use in people over 18 years of age.
24-hour oral morphine dose mg/day (range)
At initial diagnosis in patients with multiple sclerosis Sample requirements If the patient is on high dose biotin therapy (>5 mg/day), collect the sample
231 mg capsules Relapsing–remitting multiple sclerosis – NICE TA794 Restricted to patients for whom dimethyl fumarate is not tolerated
The starting dose is 75 mg of pregabalin, twice a day.