Test Code OSMOU OSMOLALITY, URINE
Additional Codes
| Software | Test Code |
|---|---|
| Label Text | OSMOU |
| EPIC | LAB420 |
Performing Laboratory
NorDx Laboratories
Useful For
Assessing the concentrating ability of the kidney
Method Name
Freezing Point Osmometry
Reference Values
280 – 1,200 mosm/kg
Days and Times Test Performed
Monday through Sunday
Report Available
1 Day
Available Stat
Specimen Type
Urine, Random
Preferred Container
Urine Cup
Preferred Volume
Urine, Random: 1 mL (Urine Cup)
Minimum Volume
Urine, Random: 0.6 mL (Urine Cup)
Specimen Collection and Handling
Collect random urine and send refrigerated in a clean, non-sterile urine container.
All specimens must be spun prior to analysis. Testing is performed on the supernatant.
Preferred Aliquot Container
Blue aliquot tube with blue cap
Acceptable Alternative Aliquot Container(s)
Clear aliquot tube with teal cap
Conical aliquot tube
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine, Random | Refrigerated | 24 hours |
Add On Capable
Yes
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 83935 | Osmolality, Urine |
Performing Laboratory Location
NorDx Laboratories - MMC-P, MMC-B, MidCoast, and Memorial Hospital sites
LOINC Code Information
2695-5
Specimen Rejection
Specimen supernatants that are hemolyzed will be rejected.