self-diagnosis

self- +‎ diagnosis

self-diagnosis (countable and uncountable, plural self-diagnoses)

1. An attempt to identify medical conditions in oneself.
   • 2021, Jonathan Rottenberg, Depression: What Everyone Needs to Know, page 25:

     For everyone else, a self-diagnosis of depression is error prone and may provide a seriously incomplete picture.

2. The ability of a system to identify problems within itself.
   • 2012, Issues in Computer Science and Theory: 2011 Edition, page 116:

     A self-diagnosis circuit that can be used for built-in self-repair is proposed.

• self-diagnose
• self-diagnoser
• self-diagnostic