This document provides information about the Nuclear Medicine OPD at AIIMS in Delhi, including details about: 1. The location, registration process, and timings for the Thyroid Clinic OPD and investigations like thyroid scans and radioisotope tests. 2. The types of radioisotope investigations offered like liver scans, bone scans, and PET scans and where they are performed. 3. The process for making an appointment for investigations, which requires a referral from an AIIMS consultant, the patient's UHID, and a completed requisition form. 4. The locations and timings for payments, reports, and average wait times.