Skip Ribbon Commands
Skip to main content
Sign In
Navigate Up

22271 Acetylcholinesterase, Erythrocytes (ACHS)

Acetylcholinesterase, Erythrocytes (ACHS)
Test Code:  ACHSSO
Synonyms/Keywords
​Ref Lab Code: 8522, Carbamates, Cholinesterase, Insecticide Poisoning, Organo-Phosphate Poisoning, Paroxysmal Nocturnal Hemoglobinuria (PNH), RBC Acetyl Cholinesterase
Useful For
​Detecting effects of remote (months) past exposure to cholinesterase inhibitors (organophosphate insecticide poisoning)
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​Whole blood EDTA Lavender Top Tube (LTT)​ ​ 4 mL​ 2.5 mL​ ​
Collection Processing Instructions

​Specimen must arrive within 72 hours of draw. Date of draw is required.

Specimen Stability Information
Specimen Type Temperature
​Whole blood Refrigerated​
Rejection Criteria
Gross hemolysis
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Mayo Medical Laboratories​
 Tuesday, Friday​ 4 days​
Spectrophotometric-Thiocholine Production​
Reference Lab
Mayo Clinic Laboratories
Reference Range Information
31.2-61.3 U/g of hemoglobin
Interpretation
​Activities less than normal are suspect for exposure to certain insecticides.
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​82482 ​ ​ ​ ​
Synonyms/Keywords
​Ref Lab Code: 8522, Carbamates, Cholinesterase, Insecticide Poisoning, Organo-Phosphate Poisoning, Paroxysmal Nocturnal Hemoglobinuria (PNH), RBC Acetyl Cholinesterase
Ordering Applications
Ordering Application Description
​Centricity ​Cholinesterase-RBC SO
​Cerner ​Acettlcholinesterase Red Blood Cell (ACHS)
​COM ​Cholinesterase - RBC SO
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​Whole blood EDTA Lavender Top Tube (LTT)​ ​ 4 mL​ 2.5 mL​ ​
Collection Processing

​Specimen must arrive within 72 hours of draw. Date of draw is required.

Specimen Stability Information
Specimen Type Temperature
​Whole blood Refrigerated​
Rejection Criteria
Gross hemolysis
Useful For
​Detecting effects of remote (months) past exposure to cholinesterase inhibitors (organophosphate insecticide poisoning)
Reference Range Information
31.2-61.3 U/g of hemoglobin
Interpretation
​Activities less than normal are suspect for exposure to certain insecticides.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Mayo Medical Laboratories​
 Tuesday, Friday​ 4 days​
Spectrophotometric-Thiocholine Production​
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​82482 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.