OSMOLALITY SERUM

General Information

HLAB/HOL Code: OSMS
UPHSM LIS Test #: 236
Schedule: Daily
Testing Time: 10 min
Testing Lab: UP Health System-Marquette

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 0.5 ml
Temperature: Refrigerate
Tube Type: Serum or Plasma
Collection Info:
Refrigerate specimen after collection.
NOTE: Heparinized plasma is acceptable.

Methods

Freezing Point Depression

CPT Codes

83930

* The CPT codes provided 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 payer being billed.

Reference Range

280 - 300 mosm/kg