Protein, Total, Fluid

Sterile Specimen Cup

Container Type

Non-CSF - For CSF see Protein, CSF

Test ID LAB196
CPT Code(s) 84157
Group/Individual Test Group
Laboratory Core Laboratory
Tube Station Routine: 30; STAT: 888
Specimen Routine: 1 mL fluid; Sterile Container; No Preservatives; See important comments
Micro: 200 µL fluid
Stability Room Temperature: 8 hours
Refrigerated: 3 days
Frozen: 6 months
Availability Routine: 24 hrs/day
Turnaround Time Routine: 2 Hours
STAT: 1 Hour
Reference Range Normal: Undefined

Provide fluid type and source.

Reference range is not defined; other clinical data should be taken into consideration when interpreting these results.

  • Peritoneal fluid Total Protein >3 g/dL may indicate transudates while fluid Total Protein <3 g/dL may indicate exudates.  Serum ascites albumin gradient measurement is now preferred.
  • A pleural fluid/serum ratio >0.5 suggests an exudate.  Pleural effusions related to Waldenstrom's macroglobulinemia and multiple myeloma typically have protein concentrations from 7.0-8.0 g/dL

Reviewed by Christopher Parker on January 11, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514