Angiotensin Converting Enzyme (ACE)
Clinical Biochemistry
Sample and container requirements
Serum Lithium Heparin Plasma (paediatrics only)
Minimum volume required
260 µL serum/plasma
Special requirements
None
Patient preparation
ACE activity testing should not be performed in patients treated for hypertension with ACE inhibitors
Sample viability
Turnaround time
This assay is run throughout the day and night. The in-lab turnaround time is normally less than 24 hours.
Reference range
Up to 18 years: 33 – 112 IU/L Adults: 20 – 70 IU/L (Source: Bühlmann Group)
Clinical guidance
Angiotensin converting enzyme (ACE) is an enzyme which helps regulate blood pressure. it can be used to help diagnose and monitor sarcoidosis in some patients. Please refer to LabTestsOnlineUK to learn more about ACE. https://labtestsonline.org.uk/tests/ace
Notes
Do not use EDTA plasma as EDTA inhibits ACE activity.
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This information was last updated on 19 August 2026