Test Code FACEC Angiotensin Converting Enzyme, CSF
Specimen Required
Specimen Type: Spinal Fluid
Sources: CSF
Container/Tube: Sterile container
Specimen Volume: 1 mL
Collection Instructions:Â Collect 1 mL of spinal fluid (CSF). Ship 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 | Special Container |
---|---|---|---|
CSF | Frozen (preferred) | 180 days | |
Refrigerated | 7 days |
Useful For
Support diagnosis of neurosarcoidosis. May be used to evaluate treatment response.
Reject Due To
Hemolysis: | Mild Reject; Gross Reject |
Thawing: | Cold OK; Warm reject |
Lipemia: | NA |
Icterus: | NA |
Other: | Xanthochromic samples (yellow colour), CSF containing gadolinium-based contrast agents |
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