Sample stability:
-
5 days at 20-25 o C
-
7 days at 2-8 o C
-
30 days at -20 o C
Units: pmol/L
|
>=4 days - 7 years |
3 - 10 |
|
>7 years - 19 years |
3.5 - 8.0 |
|
>19 years - Adult |
3.9 - 6.8 |
Pregnancy:
| 1st trimester | 3.8 - 6.0 |
| 2nd trimester | 3.2 - 5.5 |
| 3rd trimester | 3.1 - 5.0 |
The reference interval is highly variable during the first three days of life.
Please contact a Paediatric Endocrinologist or Paediatrician if interpretation of these results is required.
Uncertainty of Measurement: 0.4 pmol/L for results around 3.0 pmol/L
6% for results around 9.0 pmol/L
Principle: Competitive type immunoassay with chemiluminescence detection
Reagents: Roche e-pack FT3-3
Analyser: Cobas e801
Increased in hyperthyroidism.
Decreased in hypothyroidism.
See Thyroid Function Tests
Reference:
Roche Diagnostics: Thyroid function test Reference Intervals for Children and Adults
Emails to chemicalpathologist@adhb.govt.nz will receive priority attention from the on-call chemical pathologist.
If the query concerns a specific patient please include the NHI number in your email.
If email is not a suitable option, please contact the on-call chemical pathologist via Lablink (Auckland City Hospital ext. 22000 or 09-3078995).
Individual chemical pathologists may be contacted but will not be available at all times.
After-hours : contact Lablink (Auckland City Hospital ext. 22000 or 09-3078995) or hospital operator for on duty staff after hours.
Dr Samarina Musaad (Clinical Lead) : SamarinaM@adhb.govt.nz ext. 22402
Dr Cam Kyle: CampbellK@adhb.govt.nz ext 22052
Dr Weldon Chiu: WeldonC@adhb.govt.nz ext. 23427
Dr Campbell Heron: CHeron@adhb.govt.nz ext. 23427
Dr Sakunthala Jayasinghe: Sakunthala@adhb.govt.nz ext. 23427