Angiotensin Converting Enzyme


Angiotensin I–converting enzyme (ACE).

To assist in diagnosing, evaluating treatment, and monitoring the progression of sarcoidosis, a granulomatous disease that primarily affects the lungs.

Patient Preparation
There are no food, fluid, or medication restrictions unless by medical direction.

Normal Findings
Method: Enzymatic.

AgeConventional UnitsSI Units (Conventional Units × 16.667)
Newborn–6 yr18–90 units/L300–1500 nKat/L
7–14 yr24–121 units/L400–2,017 nKat/L
15–17 yr18–101 units/L300–1,683 nKat/L
Adult12–68 units/L200–1,133 nKat/L

Critical Findings and Potential Interventions

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