No - HIPAA bars your doctor from sharing your diagnosis without your written permission, and notes are built accordingly: dates evaluated, work capacity, restrictions - not the reason.
Employers can legitimately hold the fitness-for-work facts and, for FMLA or accommodations, certification of a qualifying condition - functional impact, not necessarily the named diagnosis. Watch the leak points: occupational health works for the employer, insurance claims are de-identified in employer reports, and self-disclosure sits outside HIPAA. Share the minimum through HR; "I prefer to keep the diagnosis private" is a complete sentence.
What to do
Common questions
Does my employer get to know my diagnosis?
No - and the separation is structural. Your doctor cannot tell your employer your diagnosis without your written permission: HIPAA forbids it, and doctor's notes are written accordingly - they state that you were evaluated, the dates you cannot work, and any work restrictions ("no lifting over 20 pounds"), not the medical reason. What your employer CAN legitimately have: the fitness-for-work facts above, and - for FMLA or disability accommodations - certification that you have a qualifying condition, which still describes functional impact, not necessarily the named diagnosis. The real-world leak points to watch: occupational health departments work for the employer and have different rules than your own doctor (ask what gets passed on); using employer health insurance creates claims data the insurer holds (employers see only aggregate, de-identified reports - not your claims); and self-disclosure - what you tell coworkers is outside HIPAA entirely. The practical stance: share the minimum the situation needs - dates, restrictions, accommodations - through HR rather than managers when possible, and know that "I prefer to keep the diagnosis private" is a complete sentence. Pymander, a free AI doctor available 24/7 by text, can help you plan the conversation.