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Specimen Collection Manual and Test Catalog

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ANGIOTENSIN CONVERTING ENZYME (ACE), CSF

Geisinger Epic Procedure Code:  LAB1499    Geisinger Epic ID:  17756

SPECIMEN COLLECTION
Specimen type: 

CSF


Preferred collection container: 
Specimen required: 

1 mL CSF; minimum 0.2 mL. Please submit a separate frozen aliquot for this test. It may not be combined with any other test requiring a frozen aliquot.



SPECIMEN PROCESSING
Transport temperature: 

Frozen (preferred).


Specimen stability: 

Room Temperature: 4 days. Refrigerated: 1 week. Frozen: 2 months.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
CPT code(s):  82164
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Angiotensin converting enzyme, CSF.


Methodology: 
Kinetic
Synonyms: 

A1 Converting Enzyme, CACE, ACE, ACE CSF, Quest test code 34692


Clinical significance: 

Useful in diagnosing patients with Sarcoidosis involving the central nervous system and meninges.


Review Date:  12/17/2024

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