Laboratory Services

  1. Laboratory Services
  2. Test Directory

Angiotensin Converting Enzyme, Serum

Print this page

Updated Test Information:

Test Description
Angiotensin Converting Enzyme, Serum
Synonym(s)

Angiotensin-1-Converting Enzyme; Kinase II; Peptidylpeptide Hydrolase; SACE (Serum Angiotensin Converting Enzyme); Sarcoidosis; Serum Angiotensin Converting Enzyme; ACE (Angiotensin Converting Enzyme)
Test ID
ACE
General Information

Useful for evaluation of patients with suspected sarcoidosis
Specimen Type

Serum
Specimen Requirements

  • Preferred: Serum Gel

  • Acceptable: Red Top
Minimum Sample Volume

0.5 mL
Stability

  • Refrigerated (preferred):7 days

  • Frozen: 180 days

  • Ambient: 24 hours
Unacceptable Specimen Conditions

  • Gross hemolysis

  • Gross lipemia

  • Gross icterus
Limitations

Spinal fluid angiotensin converting enzyme (ACE) activity to aid the diagnosis of neurosarcoidosis has been reported; however, there is insufficient evidence to support ACE being used for this purpose.
Methodology

Spectrophotometry(SP)
Estimated TAT

1-3 days
Testing Schedule

Monday-Saturday
CPT Code(s)

82164
Reference Range

  • ≥ 18 years: 16-85 U/L

  • 0 - 17 years: ACE activity may be 20-50% higher in healthy children compared to healthy adults (16-85 U/L)
Performing Lab

Mayo
LOINC Code(s)

2742-5
Additional Information