Test ID: OSG_F    
Osmotic Gap, Feces

Useful For Suggests clinical disorders or settings where the test may be helpful

Workup of cases of chronic diarrhea


Differentiating osmotic from non-osmotic causes of chronic diarrhea. 

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
NA_FSodium, FNoYes
K_FPotassium, FNoYes
OG_FOsmotic Gap, FNoYes

Method Name A short description of the method used to perform the test

OG_F: Calculation

NA_F, K_F: Indirect Ion-Selective Electrode (ISE) Potentiometry

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Osmotic Gap, F