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Test Code FADCF Adenosine Deaminase in CSF

Additional Codes

Epic Ordering Code LAB305381
NBS code LBC13488
Service code 37228

 

Reporting Name

Adenosine Deaminase in CSF

Specimen Type

CSF


Specimen Required


Collection Container/Tube: Leak-proof container

Submission Container/Tube: Sterile vial

Specimen Volume: 0.5 mL

Collection Instructions:

1. Centrifuge cerebrospinal fluid specimen at ambient temperature.

2. Transfer 0.5 mL fluid (supernatant) into a sterile vial and freeze.

3. Send frozen. Specimen must remain frozen until received at performing lab.

4. Indicate source on requisition.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit the following:
Container: Plain Sterile Container
Processing Requirements
Centrifuge and aliquot CSF into a Mayo plastic tube
Specimen type: CSF
Volume: 0.5 mL
Storage/transport requirements: Frozen

Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time
CSF Frozen (preferred) 30 days
  Refrigerated  7 days
  Ambient  24 hours

Reject Due To

Bronchoalveolar lavage (BAL) Reject
Glass tubes Reject
Turbid specimens Reject
Whole blood Reject

Method Name

Quantitative Spectrophotometry

Day(s) Performed

Tuesday, Thursday, Sunday

Report Available

1 to 8 days
National University Hospital-Singapore Note:

Please note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.

Reference Values

0-9 U/L

Performing Laboratory

ARUP Laboratories

CPT Code Information

84311

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FADCF Adenosine Deaminase in CSF 35703-8

 

Result ID Test Result Name Result LOINC Value
Z5892 Adenosine Deaminase, CSF 35703-8

Secondary ID

75666

Test Classification

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
National University Hospital-Singapore Additional Information:

Last updated 19/08/2026