POTASSIUM, FECAL

Mnemonic

FE K LVL

Specimen Collection Requirements

Collect

Stool, liquid random collection

Handling

5 gm aliquot of liquid random stool in a clean unpreserved stool transport vial. Stool must be liquid. Do not add saline or water to liquefy specimen.

Preferred Volume

5.0 gm

Minimum Volume

1.0 gm

Transport

Refrigerated

Rejection Criteria

Formed or viscous stool

Stability

Ambient: 1 hour; Refrigerated: 2 weeks; Frozen: 6 months

Testing Information

Performed

7 days/week

Reported

48-72 hours

Method

Ion-Selective Electrode

Referral Lab

ARUP (20380)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

84999

Last Updated: Thursday, January 5, 2017 03:42:25 AM