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Test Code Billings Clinic: 9338 Mayo: FACEC Angiotensin Converting Enzyme, CSF

Reporting Name

Angiotensin Convert Enzyme CSF

Performing Laboratory

ARUP Laboratories

Useful For

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

Method Name

Quantitative Spectrophotometry


Specimen Required


Specimen Type: Spinal Fluid

Sources: CSF

Container/Tube: Sterile container

Specimen Volume: 1 mL

Collection Instructions:  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.


Specimen Type

CSF

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

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

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

Reference Values

0.0-2.5 U/L

Day(s) Performed

Monday, Wednesday, Friday

Report Available

1 to 7 days

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.

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