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Test Code Billings Clinic: 5381 Glucose, Pleural Fluid

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

Aiding in the diagnosis of infection

In pleural fluid, low glucose is a facet of rheumatoid effusion

Methodology

Hexokinase

Specimen Requirements

  • 1 mL of pleural fluid in green-top (lithium heparin) tube or other suitable fluid container.
  • Send specimen refrigerated.
  • Specimen type (fluid type/description) for each tube/container is required on request form for processing.
  • Properly label (fluid type/description) each tube/container submitted.

 

DO NOT FREEZE

Storage/Stability

Specimen Type Temperature Time
Pleural Fluid Refrigerated 3 days

 

Reject Due To

  • Specimens received frozen

Reference Values

The reference range have not been established for this body fluid. The test results must be integrated into the clinical context for interpretation.

 

Interpretive Remark:

Normal pleural fluid glucose is similar to serum concentrations.  Pleural fluid transudates and most exudates usually have glucose concentrations of >60 mg/dL.  Pleural fluid exudates with conditions such as parapneumonic effusion, tuberculosis, malignancy, empyema, and/or rheumatoid disease.

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82945 - Glucose; body fluid, other than blood

LOINC Code Information

Reporting Name LOINC Code
Glucose, Pleural Fluid 2346-5

 

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Billings Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration for Body Fluids.