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OSMOLALITY, feces (087-0672)
Test Mnemonic:

OSMO FECES

Specimen Requirements:
Collection:

 

Random or 24-hour collection.  Plain tube or plastic cup with tight-fitting lid.

Container:

Plain tube or plastic cup with tight-fitting lid.

Storage/Transport:

Delivered to Sample Management.    

Specimen Preparation:

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

Stability:

 

Refrigerated.

Causes for Rejection:

Incomplete and/or incorrect sample identification, improper storage/transport                              

Reference Range:

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

Turnaround Time:

Routine: 8hours; ASAP: 4 hours; STAT: 1 hour

Methodology:

Freezing Point Depression

Performed:

Clinical Chemistry

CPT 4 Code:

  83935

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.
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