Table 2.

Methods to identify patients who may be receiving long-acting naltrexone therapy

Method	Details
Communication	Contact continuity providers, family, and friends who may have knowledge of treatments for opioid abuse disorder
Medical records	May be listed under “procedures” or “medication” records
Examination	If an implant has been placed, inspect and palpate the abdomen for a firm, subcutaneous object
Laboratory tests	Available commercially from Quest Diagnostics (urine) and NMS Labs (serum)