Employee Login  |   Subscribe  |   Careers  |   Appointments
List All Test Names Beginning With:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Acetylcholinesterase - Amniotic Fluid

Referred out for testing

Source Amniotic fluid
Mnemonic MISCREFNON

Misc Ref Non-Blood Test Name field: ACHE
Specimen Requirements See Body Fluid Collection Guidelines

Minimum 0.5 mL amniotic fluid
Preferred specimen 14 to 18 weeks gestation
Acceptable specimen 14 to 21 weeks gestation
Specimen Handling Send specimen in a separate bag with the Mayo Second Trimester Maternal Screening Alpha-Fetoprotein (AFP) / Quad Screen Patient Information form available at https://www.mayomedicallaboratories.com/it-mmfiles/Second_Trimester_mc1235-123.pdf

DSC:
Freeze specimens upon receipt in lab; ensure frozen specimens do not thaw.
Additional Information

Acetylcholinesterase may be tested on amniotic fluid from pregnant patients with a high risk of a fetal neural tube defect. Gestational age at amniocentesis is required.

Testing Location Mayo Clinic
Testing Frequency
Alternate Name(s) ACHE, Ache-AF
Reference Interval