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Test Code OSMO Osmolality

Additional Codes

Hospital Ordering Code
LAB107  OSMOLALITY

Specimen Requirements

Container/Tube Type: 

Green No Gel (Lithium Heparin)
Light Green (Lithium Heparin Plasma Separator Tube)
Red (No Additive)
SST (Serum Separator)

 

Transport Information: 

1.0 mL blood/0.3 mL serum

 

Minimum Sample Volume: 

0.2 mL blood/0.1 mL serum

Stability

Refrigerated Stability: 

7 days

 

Frozen Stability: 

Indefinitely

 

Ambient Stability: 

12 hours

Performing Laboratory

Pathology Laboratory, UnityPoint Health, Des Moines

CPT

83930

Performance

Daily: 24 hours a day

 

Analytical Time: 

3 hours

 

Testing Laboratory: 

Iowa Methodist Medical Center
Pathology Laboratory

 

Laboratory Section: 

Core Laboratory