Angiotensin Converting Enzyme, CSF

ACE-CSF, Angiotensin Converting Enzyme, CSF

Test Codes

EPIC: LAB1231943, Beaker: ACE, CSF, Quest: 34692

Department

Send Outs

Specimen Collection Criteria

Collect: 1.0 mL Cerebrospinal Fluid (CSF) in a sterile collection container. (Minimum: 0.2 mL)

Send specimen for processing immediately after collection.

Physician Office/Draw Specimen Preparation

Maintain specimen frozen (-20°C/-4°F or below) prior to transport.

Preparation for Courier Transport

Transport: 1.0 mL CSF, frozen (-20°C/-4°F or below). (Minimum: 0.2 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Maintain specimen frozen (-20°C/-4°F or below) prior to transport.

Transport: 1.0 mL CSF, frozen (-20°C/-4°F or below). (Minimum: 0.2 mL) 

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 4 days
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): 60 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Sunday, Tuesday, Thursday.
Results available in 3-6 days.

Reference Range

<15 U/L.

Test Methodology

Kinetic

Clinical Utility

Angiotensin Converting Enzyme (ACE), CSF - ACE, CSF is useful in diagnosing patients with sarcoidosis involving the central nervous system (CNS) and meninges.

CPT Codes

82164

Contacts

Last Updated

11/19/2025