Test Name: Osmolality
Health Link Test Code: GM2215
LIS Test Code: SOSM
CPT Code(s): 83930
Methodology: Freezing Point Osmometer
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: 4 hours.
Stat In-Lab Turnaround Time: 1 hour.
Collection Container: Red cap with yellow ring (SST)
Also Acceptable: Green cap with yellow ring (PST), Green top, Red top
Collection Volume: 2 mL
Pediatric Collection Volume: 1 mL
Sample Analyzed: Serum or plasma
Testing Volume: 1 mL
Pediatric Testing Volume: 0.5 mL
Centrifuge. If a complete barrier has not formed, transfer cell-free serum/plasma to plastic vial. Refrigerate.
Transport specimen to UWHC Hospital Laboratory. Transport with coolant pack if coming from clinic location.
|0 days to 30 days||266-298|
|31 days and up||278-298|
Interpretation Type: Reference Interval