Test ID TPBF Protein, Total, Body Fluid
Useful For
Identification of exudative pleural effusions
Differentiating hepatic from other causes of ascites that have elevated serum ascites albumin gradient using peritoneal fluid
Method Name
Colorimetric
Reporting Name
Protein, Total, BFSpecimen Type
Body FluidOrdering Guidance
For protein measurement in spinal fluid specimens, order TPSF / Protein, Total, Spinal Fluid. Testing will be changed to TPSF if this test is ordered on that specimen type.
Necessary Information
1. Date and time of collection are required.
2. Specimen source is required.
Specimen Required
Specimen Type: Body fluid
Preferred Source:
-Peritoneal fluid (peritoneal, abdominal, ascites, paracentesis)
-Pleural fluid (pleural, chest, thoracentesis)
-Drain fluid (drainage, JP drain)
-Pericardial
Acceptable Source: Write in source name with source location (if appropriate)
Collection Container/Tube: Sterile container
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Centrifuge to remove any cellular material and transfer into a plastic vial.
2. Indicate the specimen source and source location on label.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Body Fluid | Refrigerated (preferred) | 7 days |
Frozen | 30 days | |
Ambient | 24 hours |
Reference Values
An interpretive report will be provided.
Day(s) Performed
Monday through Sunday
Performing Laboratory

CPT Code Information
84157
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
TPBF | Protein, Total, BF | 2881-1 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
TPBF1 | Protein, Total, BF | 2881-1 |
FLD23 | Fluid Type, Protein, Total | 14725-6 |