Test Code FACEC Angiotensin Converting Enzyme, 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.
CMH COLLECTION: 1 mL in sterile container
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 |
Day(s) Performed
Monday, Wednesday, Friday
Report Available
1 to 7 daysReporting Name
Angiotensin Convert Enzyme CSFReference Values
0.0-2.5 U/L
Method Name
Quantitative Spectrophotometry
Performing Laboratory
ARUP LaboratoriesCPT Code Information
82164