Adenosine Deaminase, Fluid

Fluid Adenosine Deaminase

Test Codes

Peritoneal Fluid:  EPIC: LAB1231971, Beaker: XADPE, Quest: 17697. Pleural Fluid:  EPIC: LAB1231970, Beaker: XADPL, Quest: 17696.

Department

Send Outs

Specimen Collection Criteria

Collect: Body fluid (peritoneal, or pleural) in a sterile collection container.

• Specimen source is required.
• Send specimen for processing immediately after collection.

Physician Office/Draw Specimen Preparation

Centrifuge body fluid immediately after collection. Transfer supernatant to a plastic transport tube and freeze (-20°C/-4°F or below).

Preparation for Courier Transport

Transport: 0.5 mL fluid supernatant, frozen (-20°C/-4°F or below). (Minimum: 0.1 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Centrifuge body fluid immediately after collection. Transfer supernatant to a plastic transport tube and freeze (-20°C/-4°F or below).

Transport: 0.5 mL fluid supernatant, frozen (-20°C/-4°F or below). (Minimum: 0.1 mL) 

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 24 hours
Refrigerated (2-8°C or 36-46°F): 72 hours
Frozen (-20°C/-4°F or below): 6 months

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Monday – Friday.
Results available in 1 day.

Reference Range

Adenosine Deaminase, Pleural Fluid:  <92.1 U/L
Tuberculosis:                                              <92.1 U/L
Metastatic malignancies:                          <23.3 U/L
Mesotheliomas:                                          <34.9 U/L
Pulmonary embolism:                               <23.8 U/L
Lymphoma:                                                 <64.3 U/L

Peritoneal Fluid:                                         <7.6 U/L

Test Methodology

Kinetic, Spectrophotometric

CPT Codes

84311

Contacts

Last Updated

11/20/2025