Test Directory

Tri-iodothyronine, total (total T3)

Containers - Adult

BrownCapGelClotted.jpg
Brown Cap, Gel Clotted
Volume Range

0.5 ml

Additive per Container

None

LithiumHeparinOrangeCap4.7.jpg
Orange Cap
Volume Range

​0.5 ml

Additive per Container

Lithium-heparin

Containers - Child

OrangeCapPaediatric.jpg
Orange Cap - Paediatric
Volume Range

0.40 ml

Additive per Container

Lithium-heparin

Reference ranges

Adult:  1.3 - 3.1 nmol/L

0 - 1 year:  1.9 - 3.6 nmol/L
1 year - 12 years: 1.7 - 3.0 nmol/L
12 - 16 years: 1.3 - 2.7 nmol/L
16 - 18 yrs: 1.3 - 2.4 nmol/L

Laboratory Site

RIE
51 Little France Crescent
Old Dalkeith Road
Edinburgh
EH16 4SA
Telephone (Biochemistry): 0131 242 6806
WGH
Crewe Road South
Edinburgh
EH4 2XU
Telephone (Biochemistry): 0131 537 1910/1

Anticipated turnaround

4 days

General additional information

See notes under Thyroid investigations