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Test Code LAB2834 Colloidal Oncotic Pressure

Additional Codes

ONC

Includes:

Total Protein and Oncotic Pressure Calculation

Collection:

Specimen: Blood 

Preferred: Lt Green w/ Gel - Li Hep

Acceptable: SST or Red Top

Specimen Volume: 5 mL; Minimum 0.5 mL

 

Pediatric Collection:

One Lt Green w/ Gel - Li Hep, SST, or Red Top microtainer filled to 500 uL.

Stability:

Once serum/plasma is separated from cells:

 

Ambient: 8 Hours

Refrigerated (preferred): 1 Week

Frozen: 2 Weeks

Turn Around Time (TAT):

STAT: 1 HOUR

Routine: 4 HOURS

Test Availability:

24 hours a day / 7 days a week

Reference Interval:

Oncotic Pressure:  22.0 – 26.0 Units

 

Total Protein

 

Age Reference Range
< 15 Days 5.3 - 8.3 g/dL
15 Days - < 1 Year 4.4 - 7.1 g/dL
1 Year - < 6 Years 6.1 - 7.5 g/dL
6 Years - < 9 Years 6.4 - 7.7 g/dL
9 Years - <19 Years 6.5 - 8.1 g/dL
> 19 Years 6.4 - 8.3 g/dL

 

Performing Laboratory Section

Chemistry / UMC MAIN LABORATORY