Home
HelpTest Code PCHE Cholinesterase, serum
Additional Codes
| Epic Ordering Code | LAB5054 |
| NBS code | LBC00232 |
| Service code | 31806 |
Specimen Requirements
Submit the following:
| Container: |
| Gold Top |
Processing Requirements
Allow specimen to clot for 30 mins and centrifuge within 2 hours
Specimen type: Serum
Volume: 0.5mL
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 1 year |
| Refrigerate | 1 year |
| Frozen | 1 year |
Specimen Condition
| Gross Haemolysis | Alert/Reject |
|---|---|
| Icterus | OK |
| Gross Lipaemia | Alert/Reject |
| Others | Not applicable |
Methodology
Enzymatic Assay
Days and Times Performed
24 hrs, TAT 1 day
Reference Interval
| Male | 4,389 – 10,928 U/L |
|---|---|
| Female | 2,879 – 12,669 U/L |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Marker for organophosphate insecticide exposure.
Liver function test.
Update
Last updated 16/07/2026
LOINC Code Information
2098-2
Alias
Butyrycholinesterase
Pseudocholinesterase