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Osmolality, Serum or Plasma

Specimen:

Collect

  • One SST

Also Acceptable:
  • One Green Top (Li Heparin)
  • One Red Top

Submit

  • 1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable:
  • 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling

  • Separate from cells ASAP

Stability

Ambient: 1 Day(s); Refrigerated: 1 Week(s); Frozen: 6 Month(s); Incubated: Unacceptable

Methodology

  • Freezing Point

Performed

Mon-Fri

Reported

1-3 Day(s)

CPT Codes

  • 83930

Interpretive Data

General Reference Range : 275-300 mOsm/Kg

Components

  • 2052 - OSMOLALITY, SERUM
Last Updated: October 7, 2024 @ 9:13 am

Disclaimer:

It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date.
Updated test information can only be guaranteed by using this website.

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How to Label Your Sample

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Common Test Phrases

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT