Test Searches require one of the following browsers: Google Chrome, Safari, or Firefox. This page WILL NOT WORK with Internet Explorer versions 8 or older. Alphabetical Index A B C D E F G H I J K L M N O P Q R S T U V W-Z ANATOMIC PATHOLOGY TESTS Search Tests SODIUM, feces (8000100519) Test Mnemonic: Test Mnemonic: NA FEC RAN (random) or NA FE TIME (24 hr) Specimen Requirements: Potentiometric Specimen Requirements: Clinical Chemistry Methodology: Methodology: Performed: Performed: Turnaround Time: Turnaround Time: Reference Range: Timed collections must have start date and time, finish date and time, and total volume on request form. Reference Range: Patient Preparation : 84302 Clinical Indication: Routine: 8 hours; ASAP: 4 hours; STAT: 1 hour Clinical Indication: By report (reports may vary based on instrumentation, patient age and sex) Effective Date: 07/05/2013 Reviewed By/Date: Okorodudu, Anthony - 09/24/2019 Approved By/Date: Okorodudu, Anthony - 12/20/2022 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-10 code or its verbal equivalent. « Back