Thyroid Function Tests (TSH and FT4) |
Ordering information: | Reverse T3 no longer performed in Australia. |
Alternate names: | Free Thyroxine, FT3, FT4, TFT, Thyroid Stimulating Hormone, Tri-iodothyronine, TSH |
Laboratory: | Biochemistry |
Test Code: | TFT |
Specimen types: | Serum |
Container types: | | Serum tube with gel |  |
|
Collection Instructions: | Transport specimen at Room Temperature to lab |
Minimum Adult Volume: | 2 mL |
Frequency: | Daily |
Result Turnaround Time: | 5 hours |
Reference Interval: |
| Thyroid Function |
Reference Range |
| Thyroid Stimulating hormone (TSH) |
0.27 - 4.20 mU/L |
| Free Thyroxine (FT4) |
12 - 22.0 pmol/L |
| Free Tri-iodothyronine (FT3) |
3.1 - 6.8 pmol/L |
| Thyroid Function |
Reference Range |
| |
1st Trimester |
2nd Trimester |
3rd Trimester |
| Thyroid Stimulating hormone (TSH) |
0.33 - 4.59 |
0.35 - 4.10 |
0.21 - 3.15 |
| Free Thyroxine (FT4) |
12.1 - 20.0 |
9.63 - 17.0 |
8.39 - 16.0 |
| Free Tri-iodothyronine (FT3) |
3.8 - 6.0 |
3.2 - 5.5 |
3.1 - 5.0 |
|
Laboratory Use Only |
Accessing Results
EMR: Pathology results are available via EMR.
Auscare: If EMR is unavailable, results can be accessed through Auscare. Don’t have an Auscare login? Complete the Auscare User Form.
To access Auscare, see instructions.
Forms & Collection Guides
Consent Form – Non-Medicare Tests
For tests not covered by Medicare. Download Form
Pathology Request Form
Printable referral form for submitting pathology requests. Download Form.
Microbiology Swab Collection Guide
Step-by-step instructions for correct swab collection. Download Guide.
Preferred Order of Draw
Instructions to ensure accurate blood collection and results. View Instructions
Feedback
Eastern Health Pathology values your feedback as an important way to improve our services. Share concerns, suggestions, or compliments via the Eastern Health Feedback Service.
