Albumin - Fluid

Sterile Specimen Cup

Tube Type

Test ID LAB177
CPT Code(s) 82042
Group/Individual Test Group
Laboratory Core Laboratory
Tube Station Routine 30
Specimen Routine: 1 mL fluid in sterile container; No Preservatives

Unspun/Room Temp:

8 hours recommended
Spun/Separated, Refrigerated: 3 days
Spun/Separated, Frozen: 30 days
Availability 24 hours/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.
  • Serum-Fluid Albumin gradients >1.1 g/dL indicate portal hypertension.  Gradients ≤1.1 g/dL may indicate ascites from tuberculosis, pancreatitis, and infections.
  • Serum-Pleural Fluid Albumin gradients >1.2 g/dL suggest transudates while differences <1.2 g/dL suggest exudates.

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