Angiotensin Converting Enzyme, Serum
Additional Codes
LAB179
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
SerumNecessary Information
The use of angiotensin converting enzyme (ACE)-inhibiting antihypertensive drugs will cause decreased ACE values. Patients taking ACE inhibitors, such as captopril and enalapril, will have extremely low or unmeasurable ACE activity. Indicate on the request form if the patient is on ACE inhibitors.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 7 days | |
Frozen | 180 days | ||
Ambient | 24 hours |
Reference Values
≥18 years: 16-85 U/L
0-17 years: Angiotensin converting enzyme activity may be 20-50% higher in healthy children compared to healthy adults.
For SI unit Reference Values, see https://www.mayocliniclabs.com/order-tests/si-unit-conversion.html
Day(s) Performed
Monday through Friday
CPT Code Information
82164
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
ACE | Angiotensin Converting Enzyme, S | 2742-5 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
ACE | Angiotensin Converting Enzyme, S | 2742-5 |
Report Available
1 to 3 daysSpecimen Retention Time
7 daysForms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-General Request (T239)
-Cardiovascular Test Request (T724)