Test Directory

Test Code
ADPFD
Test Name
Adenosine Deaminase Pleural Fluid
CPT Codes
84311
Expected Turnaround Time
4-6 days
Clinical Utility
Use to evaluate tuberculous pleuritis.
Specimen and Container Info

Specimen Type: Pleural Fluid

Collection Container: Sterile, Non-Additive Container

Desired Specimen Volume: 0.5 mL

Collection Instructions
  1. Collect pleural fluid in sterile red top fluid tube.
Processing and Submission Instructions
  1. Centrifuge specimen to obtain supernatant fluid.
  2. Transfer 0.5 mL of supernatant fluid to a sterile aliquot tube.
Transport Instructions

Transport to the laboratory frozen. 

Stability Requirements

Room Temperature

24 hours

Refrigerated

7 days

Frozen

1 month
Causes for Rejection
  • Whole blood
  • Bronchoalveolar lavage (BAL) specimens
  • Turbid specimens
Methodology
Quantitative Spectrophotometry
Reference Intervals

See patient report.

Alternate Names
  • ADA
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 3 times per week