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Test Code LAB107 Osmolality, Plasma or Serum

Additional Codes

OMH Mlab 46230

Reporting Title

Osmolality, Blood

Methodology

Advanced Instruments/Freezing Point Depression

Performing Laboratory

OhioHealth Laboratory Services-RMH,GMC,DH,DMH, MGH, MH and OMHCore Laboratories

Specimen Requirements

Submit only 1 of the following specimens:
 
Preferred:

Serum

Draw blood in a gold-top serum gel tube(s). Spin down within 1 hour of draw and send 0.5 mL of serum refrigerated.

Note:

1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.

2. Indicate serum on request form.

3. Label specimen appropriately (serum).

 

Alternate:

Plasma

Draw blood in a mint green-top (heparin) gel tube(s). Spin down within 1 hour of draw and send 0.5 mL of heparinized plasma refrigerated.

Note:

1. Indicate plasma on request form.

2. Label specimen appropriately (plasma).

Specimen Transport Temperature

Refrigerate/Ambient /Frozen OK

Reference Values

275-295 mosm/kg

Day(s) Test Set Up

Monday through Sunday. Continuously

Test Classification and CPT Coding

83930