
Radioactive Iodine Uptake Test: Risks, Preparation, and Results
Jul 21, 2022 · In the radioactive iodine uptake (RAIU) test, you swallow a small amount of radioactive iodine before you receive a scan. The test reveals how well your thyroid is functioning.
Radioactive Iodine Uptake Test - Endocrine Surgery | UCLA Health
Radioactive Iodine Uptake, or RAIU, is a test of thyroid function. The test measures the amount of radioactive iodine (taken by mouth) that accumulates in the thyroid gland.
What Is a Radioactive Iodine Uptake Test? - WebMD
Feb 24, 2024 · A radioactive iodine uptake (RAIU) tests the function of your thyroid gland, which helps regulate your metabolism.
Radioactive iodine uptake: MedlinePlus Medical Encyclopedia
Radioactive iodine uptake (RAIU) tests thyroid function. It measures how much radioactive iodine is taken up by your thyroid gland in a certain time period.
Radioactive iodine uptake test - Wikipedia
It is entirely different from radioactive iodine therapy (RAI therapy), which uses much higher doses to destroy cancerous cells. The RAIU test is also used as a follow-up to RAI therapy to verify that no …
Thyroid Scan and Uptake - RadiologyInfo.org
The radioactive iodine uptake test (RAIU) is also known as a thyroid uptake. It is a measurement of thyroid function, but does not involve imaging. Nuclear medicine uses small amounts of radioactive …
Radioactive Iodine Uptake Testing: Background, Indications ...
Dec 5, 2022 · Radioactive iodine uptake (RAIU) testing is a useful diagnostic tool for assessing thyroid pathologies. The RAIU test is a reliable measurement when using a dedicated probe with a …
Radioactive Iodine Uptake Test - Kaiser Permanente
Mar 26, 2025 · A radioactive iodine uptake (RAIU) test uses a radioactive tracer and a special probe to measure how much tracer the thyroid gland absorbs from the blood. The test can show how much …
Radioactive iodine uptake - UCSF Health
Feb 28, 2024 · Radioactive iodine uptake (RAIU) tests thyroid function. It measures how much radioactive iodine is taken up by your thyroid gland in a certain time period.
Radioactive Iodine Uptake Test - Hartford Hospital
A radioactive iodine uptake (RAIU) test uses a radioactive tracer and a special probe to measure how much tracer the thyroid gland absorbs from the blood. The test can show how much tracer is …