Angiotensin Converting Enzyme
Label Mnemonic: ACECSF
Epic code: LAB5071
Downtime form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
CSF
Collection Medium:
CSF collection kit
Minimum:
Preferred Minimum: 1 mL CSF
Absolute Minimum: 0.5 mL CSF

initiation of testing): Ambient: 4 hours; Refrigerated: 1 week; Frozen: 6 months 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.
Rejection Criteria:
CSF containing gadolinium-based contrast agents. Hemolyzed or xanthochromic specimens.
Turn Around Time:
Between 1-5 days upon receipt at reference laboratory
Reference Range:
0.0-2.5 U/L
Methodology:
Quantitative Spectrophotometry
CPT Code:
82164