Cholinesterase, RBC - Ratio to Hemoglobin
0020174
Ordering Recommendation
Acceptable test for determining chronic exposure to organophosphate insecticides. Preferred test is Insecticide Exposure Panel (0020175).
Mnemonic
CHE-RBC
Methodology
Quantitative Enzymatic
Performed
Mon-Fri
Reported
Between 1 and 4 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Lavender (EDTA) or pink (K2EDTA).  
Specimen Preparation
DO NOT FREEZE. Transport 3 mL whole blood. (Min: 1 mL))  
Storage/Transport Temperature
Refrigerated. Do not place whole blood directly on cool packs when shipping.  
Unacceptable Conditions
Green (sodium or lithium heparin). Frozen specimens. Clotted or hemolyzed specimens.  
Remarks
  
Stability
Ambient: 4 hours; Refrigerated: 1 week; Frozen: Unacceptable  
Reference Interval
25-52 U/g Hb  
Interpretive Data
 
Note
 
CPT Code(s)
82482
Components
Component Test Code*Component Chart NameLOINC
0020174Cholinesterase, RBC - Ratio to Hb49231-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • AChE
  • CHS
  • RBC Cholinesterase
  • Red cell cholinesterase