ARUP's Laboratory Test Directory
| 0020046: Osmolality, Serum or Plasma |
| Test Mnemonic: OSMO | |
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#ExistMethodology>
Methodology: Freezing Point
*ExistMethodology> #ExistPerformed> Performed: Sun-Sat *ExistPerformed> #ExistReported> Reported: Within 24 hours *ExistReported> |
| Specimen Required: | |
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#ExistCollect>
Collect: One 4 mL SST or PST.
*ExistCollect> #ExistTransport> Transport: 0.5 mL serum or plasma at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. *ExistTransport> #ExistPedCollectTransport> Pediatric Collection/Transport: 0.5 mL serum or plasma at 2-8°C. *ExistPedCollectTransport> #ExistRemarks> Remarks: Separate serum or plasma from cells ASAP. *ExistRemarks> #ExistStability> Stability: After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 6 months *ExistStability> |
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| Reference Interval: |
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#ExistRefRange> 0-16 years: 271-296 mOsm/kg 17 years and older: 280-303 mOsm/kg *ExistRefRange> |
| CPT Code(s): | |
| 83930 |