Ordering Recommendation
Mnemonic
OSMO
Methodology

Freezing Point

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum separator tube or plasma separator tube.

Specimen Preparation

Separate serum or plasma from cells within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions
Remarks
Stability

After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 6 months

Reference Interval

0-16 years: 271-296 mOsm/kg
17 years and older: 280-303 mOsm/kg

Interpretive Data



No compliance statements are in use for this test.

Note
Hotline History
N/A
CPT Codes

83930

Components
Component Test Code* Component Chart Name LOINC
0020046 Osmolality 2692-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Plasma osmolality
  • serum osmalality
Osmolality, Serum or Plasma