Thyroid Iodine (Adult)

  • Preparation for scan is required - Patients will be required to stop all thyroid medication. Please contact our practice. 

Demonstrates uptake of radioiodine in thyroid remnants or metastases after total thyroidectomy for carcinoma of the thyroid. Radionuclide uptake can also be measured for assessment prior to the use of radioiodine for thyroid ablation. Imaging is generally performed 48 or 72 hours after oral administration and takes about one hour. 

Used to assess:

The function of the Thyroid gland to determine whether it is over or under active.


Injection time: 1 min
Waiting time before scan: 6 hours & 24 hours
Scan duration: 30 mins

Phone our practice

How to book

Patients will need to be referred to Nuclear Med by a referring doctor. Patients must select the specific scan/study required by their referring doctor and book an appointment at the most convenient location.


  • Medical aid authorisation (referring doctor to provide patient with specific ICD 10 code for medical aid authorisation)
  • Referring doctor’s name and practice number
  • Newly diagnosed oncology patients may need to register for oncology (referring doctor to facilitate registration)