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POTASSIUM, feces (087-0543)
Test Mnemonic:

  K FEC RAN (random) or K FEC TIME (24 hr collection)
Methodology:

  Potentiometric
Performed:

 Clinical Chemistry 
Turnaround Time:

 Routine: 8 hours; ASAP: 4 hours; STAT: 1 hour.   
Specimen Requirements: Collect: Random or 24-hour collection.  Plain tube or plastic cup with tight-fitting lid.

Specimen Preparation: All samples should be stored refrigerated during collection and until delivered to the laboratory.

Storage/Transport:   Delivered to Sample Management.    

Stability:   Refrigerated.  

Causes for Rejection:  Incomplete and/or incorrect sample identification, improper storage/transport
Clinical Information:

If applicable, state clinical information that is required to be provided with specimen.
Reference Range:

By report (reports may vary based on instrumentation, patient age and sex)
Note:

 Timed collections must have start date and time and finish date and time on request form.
CPT 4 Code:

  84133
  Reviewed by Tho Nguyen, MT(ASCP) 7/11/13

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient.  Components of the organ or disease panels may be ordered individually.  The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-9 code or its verbal equivalent.
   
 

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