Angiotensin Converting Enzyme (ACE), CSF

Specimen:

Test Code

ACEC

Specimen Name

Angiotensin Converting Enzyme (ACE), CSF

Collect

Sterile Container

Submit

1 mL (Min: 0.5 mL) Serum

Special Handling

Transfer 1 mL CSF to an standard transport tube.

Rejection Criteria

CSF containing gadolinium-based contrast agents. Hemolyzed or xanthochromic specimens.

Stability

Frozen 6 months

Methodology

Quantitative Spectrophotometry

Performed

Monday/Wednesday/Friday

Reported

1-5 days

CPT Codes

  • 82164

Components

Additional Information

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.

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT