ACETYLCHOLINESTERASE AMNIOTIC FLUID(ACHE-AF) AMNIOTIC FLUID
General Information
HLAB/HOL Code: ACETY
UPHSM LIS Test #: 8714
Schedule: Tuesday, Thursday
Testing Time: 4 days
Testing Lab: Mayo Labs
UPHSM LIS Test #: 8714
Schedule: Tuesday, Thursday
Testing Time: 4 days
Testing Lab: Mayo Labs
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 1 mL Amniotic fluid
Temperature: Refrigerate
Tube Type: Amniotic container
Collection Info:
1.0 mL of uncentrifuged amniotic fluid. A specimen from the 16 to18 week gestational period of pregnancy is preferred. Amniotic fluid
from the 14 to 21 week gestational period is acceptable. Send specimen refrigerated (keep specimen cool with frozen coolant April thru October, refrigerated coolant November-March).
NOTE:
1. Second Trimester Maternal Screening Alpha-Fetoprotein (AFP)/Quad Screening Patient Information form with gestational age is required.
2. If chromosome studies are also requested, see "Chromosome Analysis, Amniotic Fluid." The specimen for AChE testing,
when requested with chromosome analysis, cannot be frozen.
Temperature: Refrigerate
Tube Type: Amniotic container
Collection Info:
1.0 mL of uncentrifuged amniotic fluid. A specimen from the 16 to18 week gestational period of pregnancy is preferred. Amniotic fluid
from the 14 to 21 week gestational period is acceptable. Send specimen refrigerated (keep specimen cool with frozen coolant April thru October, refrigerated coolant November-March).
NOTE:
1. Second Trimester Maternal Screening Alpha-Fetoprotein (AFP)/Quad Screening Patient Information form with gestational age is required.
2. If chromosome studies are also requested, see "Chromosome Analysis, Amniotic Fluid." The specimen for AChE testing,
when requested with chromosome analysis, cannot be frozen.
Methods
Polyacrylamide Electrophoresis
CPT Codes
82013
* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
Reference Range
Negative (reported as negative [normal] or positive
[abnormal] for inhibitable AChE)
Reference values were established in conjunction with alpha-
fetoprotein testing and include only amniotic fluids from
pregnancies between 14 and 21 weeks gestation.
[abnormal] for inhibitable AChE)
Reference values were established in conjunction with alpha-
fetoprotein testing and include only amniotic fluids from
pregnancies between 14 and 21 weeks gestation.
