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HelpTest ID BLOD0352 Cholinesterase, RBC & Plasma
Specimen Type/Requirements
Lavender top (EDTA) tube - Plasma
and
Lavender top (EDTA) tube - Whole Blood
BOTH Plasma and Whole blood are needed for this test.
Draw two or three EDTA tubes (depending on volume of tubes).
Spin one tube to separate plasma and pipette plasma into aliquot tube.
Send one or two tubes of EDTA whole blood unspun.
Affected by hemolysis and lipemia.
Specimen Volume
| Preferred Volume EDTA Plasma | 1.0 mL |
|---|---|
| Preferred Volume EDTA Whole Blood | 5.0 mL |
| Minimum Volume EDTA Plasma | 0.5 mL |
| Minimum Volume EDTA Whole Blood | 4.0 mL |
Stability/Transport
| Room Temperature | 24 hours | |
|---|---|---|
| Refrigerated | 7 days | Preferred for transport |
| Frozen | Unacceptable |
Performed Test Frequency
Monday through Friday
Methodology
Kinetic/Spectrophotometric (K/S)
CPT
82482
82480
Performing Lab
Quest Chantilly
Report Available
2 days
Interface Build Information
| Result Code | Result Code Description |
|---|---|
| 914 | Cholinesterase RBC |
| 912 | Cholinesterase Plasma |