For New Applicants:
The Medical Examination may be done in Singapore by any registered General Practitioner (GP).
Applicants who are in their home countries/places of residence may have their Medical Examination and HIV test done in their home countries/places of residence at any medical clinic licensed to carry out such tests. If HIV testing is done in Singapore, it may be carried out with either rapid of ELISA tests.

For Renewal Applicants:
The Medical Examination MUST be done in Singapore by any registered GP, as required under the MOH guidelines. HIV testing may be done with either rapid or ELISA tests.

This information is sourced from ICA