Angiotensin converting enzyme

Last revised by Daniel J Bell on 24 Nov 2020

Angiotensin converting enzyme (ACE) is a central component of the renin-angiotensin system (RAS) which assists in blood pressure control by regulating the volume of fluids in the body.

Normal individuals may have a small volume of the angiotensin converting enzyme circulating in their blood.


Angiotensin converting enzyme is normally measured in nanomoles per milliliter per minute (nmol/mL/min) with normal range considered less than than 40 nmol/mL/min. Elevated levels may be associated with a number of conditions with the most notable being sarcoidosis 4.

Other conditions that have reported to be associated with higher levels of angiotensin converting enzyme include:

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