Suitable Specimen Types
- Serum
- Li Hep Plasma
1 ml blood (minimum sample volume 60 uL)
Specimen Transport
Not applicable
Sample Processing in Laboratory
No special requirements
Sample Preparation
Centrifuge
Turnaround Time
1 weekSample Stability
Samples should be stored at -20 ºC until analysis. Stable for six months at -20 ºC.
Angiotensin Converting Enzyme (ACE)
General Information
Serum ACE may be significantly elevated in patients with untreated active sarcoidosis. Elevated ACE levels have been reported in patients with AIDS, Pneumocystis carinii pneumocystis carinii pneumonia and benign hypertonic prostate.
Patient Preparation
None- preferably off steroids
Notes
Do not use EDTA plasma as EDTA inhibits ACE activity. Haemolysis, lipaemia and jaundice interfere.
Reference Range
Up to 18 years: 29-112 IU/L
Adults: 20-70 IU/L
(Source: Buhlmann Laboratories)
Serum levels in individuals under 18 years of age are substantially higher and more variable than in adults.
Specifications
- EQA Scheme?: Yes
-
EQA Status:
BIO-RAD