MPH Diagnostics is a triage tool from The Appliance Blue Book/Service Company Solutions, LLC that helps technicians quickly identify the parts and symptoms most likely to fix a given appliance model. It leverages a large shared database from hundreds of participating companies to show which parts are commonly used for a model and which symptoms are associated with them, with integrated access for ServiceDesk/ePASS users and a mobile web interface for others. The service is marketed to boost first-call completion rates and profitability, with pricing including a $49 activation fee, per-lookup charges, and a monthly minimum, and it can be bundled with Appliance Blue Book subscriptions.
AI named MPH Diagnostics from December 2025 to January 2026.