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Osmolality, Serum

Test Code
OSMOS


Alias/See Also
LAB3000097


CPT Codes
83930

Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)


Minimum Volume
0.5 mL serum


Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)


Methodology
Freezing Point

Reference Range
Sex Age Reference Range
M/F 0 - 150 years 275 - 300 mOsm/kg H2O


Performing Laboratory
Penn Medicine Lancaster General Health



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.