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22296 Angiotensin Converting Enzyme, CSF (FACEC)

Angiotensin Converting Enzyme, CSF (FACEC)
Test Code: ACESFSO
Synonyms/Keywords

ACE

 C ACESFSO

Useful For

​Support diagnosis of neurosarcoidosis. May be used to evaluate treatment response.

Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​CSF Sterile Plastic Tube/Container​ ​ 1 mL​ 0.5 mL​ ​
Collection Processing Instructions

​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.

Specimen Stability Information
Specimen Type Temperature Time
CSF​ ​ Frozen (preferred)​ 180 days​
Refrigerated ​ 7 days​
Rejection Criteria
Specimens other than CSF
​Warm thawed samples (Cold thawed samples are okay)
Mild or ​Gross Hemolysis

​Xanthochromic samples (yellow color)

​CSF containing gadolinium-based contrast agents
Performing Laboratory Information
Performing Location Day(s) Test Performed Report Available Methodology/Instrumentation
Mayo Medical Laboratories who forwards to ARUP Laboratories ​
Monday, Wednesday, Friday​
1 - 7 days
​
Quantitative Spectrophotometry​
Reference Lab
Mayo Clinic Laboratories
Reference Range Information
0.0-2.5 U/L
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​82164 ​ ​ ​ ​
Synonyms/Keywords

ACE

 C ACESFSO

Ordering Applications
Ordering Application Description
​COM ​Angiotensin Converting Enzyme, CSF (FACEC)
​Cerner ​Angiotensin Converting Enzyme, CSF (FACEC)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​CSF Sterile Plastic Tube/Container​ ​ 1 mL​ 0.5 mL​ ​
Collection Processing

​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.

Specimen Stability Information
Specimen Type Temperature Time
CSF​ ​ Frozen (preferred)​ 180 days​
Refrigerated ​ 7 days​
Rejection Criteria
Specimens other than CSF
​Warm thawed samples (Cold thawed samples are okay)
Mild or ​Gross Hemolysis

​Xanthochromic samples (yellow color)

​CSF containing gadolinium-based contrast agents
Useful For

​Support diagnosis of neurosarcoidosis. May be used to evaluate treatment response.

Reference Range Information
0.0-2.5 U/L
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Report Available Methodology/Instrumentation
Mayo Medical Laboratories who forwards to ARUP Laboratories ​
Monday, Wednesday, Friday​
1 - 7 days
​
Quantitative Spectrophotometry​
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​82164 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.