Theophylline

Containers - Adult

Brown Cap, Gel Clotted	Volume Range 0.1 ml Additive per Container None
Orange Cap	Volume Range ​0.1 ml Additive per Container Lithium-heparin

Containers - Child

Orange Cap - Paediatric	Volume Range 0.20 ml Additive per Container Lithium-heparin

Reference ranges

Therapeutic range: 10 - 20 mg/L

Laboratory Site

RIE

51 Little France Crescent
Old Dalkeith Road
Edinburgh
EH16 4SA

Telephone (Biochemistry): 0131 242 6806

SJH

Howden Road West
Howden
Livingston
West Lothian
EH54 6PP

Telephone (Biochemistry): 01506 52 3160/1

WGH

Crewe Road South
Edinburgh
EH4 2XU

Telephone (Biochemistry): 0131 537 1910/1

Special instructions for collection

Collect blood prior to next dose. Time to steady state is 48 - 72 h.

Anticipated turnaround

1 day