Understanding the current iodine nutrition status of a population is the starting point. Several tools are available to help assessors, including the following:
World Health Organization--UNICEF--ICCIDD Assessment of Iodine Deficiency Disorders and Monitoring their Elimination: A Guide for Programme Managers
- Measuring urinary iodine using ammonium persulfate (Method A)
- Measuring thyroid size by ultrasonography
- Selecting survey sites by PPS sampling
- Determining iodine content of salt through iodometric titration
- Indicators of sustainable elimination of IDD
FAST B - A simple semi-quantitative method for urinary iodine concentration
Reference values for thyroid volume by ultrasound in iodine-sufficient schoolchildren
