Laboratory Test Directory

  PHOS UR

  Colorimetric

  Clinical Chemistry

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

Test Includes: Volume and hours of collection, concentration, and amount excreted

Collect:  24-hour Urine - Discard early morning specimen; start timing from this point. Collect all urine for the next 24 hours, including sample voided at the same time the next morning. Note the time of the last collection on the request form. 2 liter brown plastic jug or glass tube without any additives.

Random Specimen - 10 mL yellow topped tube or plastic specimen cup with tight-fitting lid. (Min: 7 mL of urine)

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

Storage/Transport:  Refrigerated until delivered to Sample Management.

Stability: Room Temperature for ≤6 hours, Refrigerated for ≤2 days, Frozen for ≤6 months. (Avoid repeated freeze/thaw cycles).       

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

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

  Record collection start and finish times on the request slip.

 84105

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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