Using HIV self-testing to increase the affordability of community-based HIV testing services.

Objectives: This study estimates the costs of community-based HIV testing services (HTS) in Lesotho and assesses the potential efficiency gains achieved by adding HIV self-testing (HIVST) and then self-testing booths.

Design: Micro-costing analysis using longitudinal data from a real-world intervention.

Methods: We collected data prospectively on provider's costs and programmatic outcomes over three time periods of approximately 8 months each, between May 2017 and April 2019.