Test Code OSMOLS Osmolality, Serum
Methodology
Freezing Point Depression
Specimen Requirements
Draw blood in a plain, red-top tube(s) or a serum gel tube(s). Spin down and send 0.5 mL of serum.
Reject Due To
| 
 Hemolysis  | 
 Mild:  | 
 ok  | 
 Gross:  | 
 ok  | 
| 
 Lipemia  | 
 Mild:  | 
 ok  | 
 Gross:  | 
 ok  | 
| 
 Icterus  | 
 Mild:  | 
 NA  | 
 Gross:  | 
 NA  | 
Reference Values
280-300 mosm/Kg
Day(s) Test Set Up
Monday through Sunday
CPT Coding
83930
Performing Laboratory
Huntsville Hospital Laboratory/Madison Hospital Laboratory
Secondary ID
HHA1292
LOINC Coding
| Test Name | LOINC Code | 
|---|---|
| 
 Osmolality, Serum  | 
2692-2 | 
Specimen Stability Information
| 
 Specimen Type  | 
 Temperature  | 
 Time  | 
| 
 Serum  | 
 RT, spun  | 
3 hrs | 
| 
 Refrigerated  | 
3 days |