OSMOLALITY, body fluid (087-0673)
CPT 4 Code: 83935
Test Order Mnemonic: OSMO BF
Lab: Clinical Chemistry
Request Form: Routine Chemistry Form 1
Storage Instructions: Refrigerate at 2-8°C.
Causes for Rejection: Improperly labeled specimen
Availability: Samples are received 24 hours per day
at Sample Management, 5.136 McCullough.
Turnaround Time: Routine: 4 hours; STAT: 1 hour
Special Instructions: Indicate source of fluid on
request form.
Specimen: Body fluid
Volume: 10 mL
Minimum Volume: 5 mL fluid
Container: Plastic container with tight fitting lid
Test Method: Freezing Point Depression
Reviewed/revised April 2007 by P. Harris
