Test Details
Methodology
Colorimetric
Result Turnaround Time
1 - 2 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
Evaluate effusions; diagnose transudate versus exudate
Specimen Requirements
Specimen
Body fluid
Volume
1 mL
Minimum Volume
0.3 mL (Note: This volume does not allow for repeat testing.)
Container
Clean container
Collection Instructions
Tube must be labeled with patient's full name and type of fluid collected.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 14 days |
Refrigerated | 14 days |
Frozen | 14 days |
Freeze/thaw cycles | Stable x3 |
Reference Range
• Peritoneal: Not established
• Pleural:
− Transudate: <3 g/dL
− Exudate: >3 g/dL
• Synovial: <2.5 g/dL
The method performance specifications have not been established for this test in body fluid. The test result should be integrated into the clinical context for interpretation.
Storage Instructions
Maintain specimen at room temperature.
Patient Preparation
Usual aseptic aspiration procedure
Causes for Rejection
Improper labeling
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 019588 | Protein, Body Fluid | 2881-1 | 019588 | Protein, Body Fluid | g/dL | 2881-1 |
| Order Code | 019588 | |||||
| Order Code Name | Protein, Body Fluid | |||||
| Order Loinc | 2881-1 | |||||
| Result Code | 019588 | |||||
| Result Code Name | Protein, Body Fluid | |||||
| UofM | g/dL | |||||
| Result LOINC | 2881-1 |