
Sample type: Whole Blood
Test name: Thiopurine methyl transferase a.k.a. TPMT
Condition / Indication: Pre-azathiaprine
Special precautions & notes: None.
Reference range: Deficient <10 pmol/h/mg Hb; Carrier 10-25 pmol/h/mg Hb; Normal 26-50 pmol/h/mg Hb; High >50 pmol/h/mg Hb
Container: EDTA (Lavender top)
Ideal volume (mL): 4 mL
Referred outside NBT for analysis? Yes
Discipline: Clinical Biochemistry
Turnaround time: 14 days
Referral location: Purine Research Laboratory, St Thomas' Hospital, Synnovis, North Wing - 4th Floor, Westminster Bridge Road, London, SE1 7EH