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Test Code FACEC Angiotensin Converting Enzyme, CSF

Additional Codes

Epic Ordering Code LAB1761
NBS code LBC03841
Service code 36872 

Reporting Name

Angiotensin Convert Enzyme CSF

Specimen Type

CSF


Specimen Required


Container/Tube: Sterile vial

Specimen Volume: 1 mL

Collection Instructions:

1. Transfer 1 mL of spinal fluid to a sterile vial.

2. Send frozen.

Note: Gadolinium contrast agents have been reported to inhibit ACE activity. Therefore, CSF containing gadolinium-based contrast agents should not be submitted to the laboratory for evaluation.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit the following:
Container: Plain Sterile Container
Processing Requirements
Aliquot CSF into sterile container
Specimen type: CSF
Volume: 1 mL
Storage/transport requirements: Frozen

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
CSF Frozen (preferred) 180 days
  Refrigerated  7 days

Reject Due To

Hemolysis Reject
Xanthochromic specimens (yellow color) Reject
Specimens containing gadolinium-based contrast agents Reject

Method Name

Quantitative Spectrophotometry

Day(s) Performed

Monday, Wednesday, Friday

Report Available

1 to 7 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

0.0-2.5 U/L

Performing Laboratory

ARUP Laboratories

CPT Code Information

82164

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FACEC Angiotensin Convert Enzyme CSF 12480-0

 

Result ID Test Result Name Result LOINC Value
FACEC Angiotensin Convert Enzyme CSF 12480-0

Secondary ID

57824

Test Classification

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
National University Hospital-Singapore Additional Information:

Last updated 24/06/2026