Sign In
Regional Medical Lab
Test Directory


Potassium, Feces

Order Name POTAS FEC
Test Number: 3503125
Revision Date 01/24/2012
Test Name Methodology LOINC Code
Potassium, Feces
Ion-Selective Electrode  
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5g (1g) Fecal/Stool Sterile Orange Screwtop Container Frozen
Instructions Random or 24 hour collection of feces. Send entire collection sample in a plastic leak-proof container with screw cap. Submit a well mixed timed stool collection. Record total collection time (Random, 24, 48, or 72 hours). Keep refrigerated during collection. Do not submit specimen in metal paint cans, as processing poses a safety hazard. Specimens received in paint cans will be rejected.
Stability: Ambient= 1 hour; Refrigerated= 2 weeks; Frozen= 6 months. Unacceptable Specimens: Formed or viscous stool.
Testing Schedule Tues, Thur 
Expected TAT 5 Days  
CPT Code(s) 84999
Lab Section Reference Lab