Our Critical Values Call List was developed by many of the specialists in the OSU Health System. The values in our list serve all practice environments and may not be specific for your practice environment. The list is a guide for our technical staff to notify your practice of a lab results of a life threatening or critical nature.  If you need a Critical Value List that is not listed below, please contact our Customer Service Department at

 1-800-227-5062 

• Critical Result Values Called to Physicians
  • DOC or PDF

The Age and Gender Reference Range List was developed by the Department of Pathology at the OSU Health System. 
The list incorporates many views and references from the latest publications on age and gender differences in laboratory test results. If you need an Age and Gender Reference Range List that is not listed below, please contact our Customer Service Department at

 1-800-227-5062

• Age and Gender Reference Range List
  • DOC or PDF