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HelpTest Code ADA Adenosine Deaminase (ADA)
Specimen Requirements
Specimen Type: Pleural fluid
Container/Tube: Screw-capped containers with no preservative.
Volume: 20 mL
Minimum volume: 1 mL pleural fluid
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Pleural Fluid |
|---|---|
| Ambient: | 8 hours |
| Refrigerate: | 1 week |
| Frozen: | 1 month |
Reference Interval
0 – 40 U/L
Days and Times Performed
Monday, Wednesday and Friday, TAT 2-4 days
Methodology
Spectrophotometry
Service Code
0031959
Update
Last updated 05/09/2024
Updated on Sample Stability Ambient
Unacceptable Condition
| Haemolysis | Reject |
|---|---|
| Icterus | NA |
| Lipaemia | NA |
| Others |
Ammonium oxalate and ammonium heparinate should not be used as anticoagulants Turbid specimens |
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Testing Laboratory
National University Hospital
Clinical Chemistry, 67724399
Useful For
Adjunct in the diagnosis of TB