1. Health
Send to a Friend via Email

Discuss in my forum

NOS

By

Updated October 18, 2012

Definition: An abbreviation for the medical term "not otherwise specified". NOS is used as a broad-based diagnostic category, for instance "depression NOS. " The choice of the NOS diagnosis means that the diagnosing doctor believes that the patient's problems fall into a particular family of disorders (e.g., depressive disorders, anxiety disorders, etc.) but that there is not enough information at the time of diagnosis to better specify the type of disorder.
  1. About.com
  2. Health
  3. Depression
  4. Glossary
  5. Glossary - N
  6. Definition of NOS

©2014 About.com. All rights reserved.

We comply with the HONcode standard
for trustworthy health
information: verify here.