The basic measurement of cholinesterase activity is done at Labplus. This requires either plain or heparinised blood.
Phenotyping of genetic cholinesterase variants, requires an EDTA tube (not frozen), which will be forwarded to Canterbury Health Laboratories for analysis.
Specimen note:
Do NOT use Seraclear or gel separation tube.
Units : U/mL (kU/L)
Reference interval:
|
Adult |
> 4.8 |
|
Pregnancy |
17 - 40% lower than nonpregnant adult range |
|
Newborn |
lower than adult range |
|
Children |
Up to 25% higher than adult levels |
Uncertainty of Measurement: 7%
Performed Weekly.
Principle: Kinetic rate reaction
Reagent: In-house reagents
Analyser: Indiko Plus
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 |
Emails to chemicalpathologist@adhb.govt.nz will receive priority attention from the on-call chemical pathologist.
If the query concerns a specific patient please include the NHI number in your email.
If email is not a suitable option, please contact the on-call chemical pathologist via Lablink (Auckland City Hospital ext. 22000 or 09-3078995).
Individual chemical pathologists may be contacted but will not be available at all times.
After-hours : contact Lablink (Auckland City Hospital ext. 22000 or 09-3078995) or hospital operator for on duty staff after hours.
Dr Samarina Musaad (Clinical Lead) : SamarinaM@adhb.govt.nz ext. 22402
Dr Cam Kyle: CampbellK@adhb.govt.nz ext 22052
Dr Weldon Chiu: WeldonC@adhb.govt.nz ext. 23427
Dr Campbell Heron: CHeron@adhb.govt.nz ext. 23427
Dr Sakunthala Jayasinghe: Sakunthala@adhb.govt.nz ext. 23427