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Osmolality, Serum

Message

Important Note



Centrifuge and separate cells after clot formation and within 1 hour of collection. 


Test Code
OSMO


Alias/See Also
Epic: LAB107


Preferred Specimen

Specimen Type: Serum
Collection Container: Serum gel
Specimen Volume: 3 mL




Minimum Volume

0.10 mL




Other Acceptable Specimens

Collection Container: Red top




Instructions
Centrifuge and separate cells after clot formation and within 1 hour of collection.


Transport Container
Plastic vial


Specimen Stability

Room temperature: 24 hours
Refrigerated: 24 hours
Frozen: Not defined




Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Samples not centrifuged within 1 hour of collection, unlabeled, mislabeled, wrong tube type, hemolyzed, QNS, exceeds specimen stability requirements.




Setup Schedule

Daily




Report Available

1 day




Reference Range
280 - 300 mOsm/kg


Performing Laboratory

Inova Laboratories

2832 Juniper Street

Fairfax, VA 22031




Last Updated: April 11, 2023
Last Review: N. Wolford, April 11, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.