Cholinesterase, RBC
Test Mnemonic
CHORBC
CPT Codes
- 82482 - QTY (1)
LOINC ®
49231-4
Performing Laboratory
ARUP
FDA Category
In Vitro Diagnostic
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Whole blood | EDTA (Lavender) | Refrigerated | Do not place cells directly on cool packs when shipping |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 4 hours |
| Refrigerated | 1 week |
| Frozen | Unacceptable |
Days Performed
Mon - Fri
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Enzymatic |
Reference Range
| Cholinesterase, RBC | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 25 - 52 | U/g Hgb |
Special Info
DO NOT FREEZE. Frozen, clotted or hemolyzed specimens are unacceptable. Sodium or lithium heparin (green) tubes will be rejected. This test is New York DOH approved.
Clinical Info
This is an acceptable test for determining chronic exposure to organophosphate insecticides.