Ordering Recommendation

Use following an abnormal amniotic fluid alpha fetoprotein (AFP) result to evaluate possibility of a fetal open neural tube defect.

Mnemonic
ACETYL AF
Methodology

Qualitative Gel Electrophoresis/Radial Immunodiffusion

Performed

Mon, Wed

Reported

3-11 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Amniotic Fluid

Specimen Preparation

Transfer 2 mL amniotic fluid to an ARUP Standard Transport Tube. (Min: 1 mL)

Storage/Transport Temperature

Ambient.

Unacceptable Conditions
Remarks

Include the Amniotic Fluid AFP and MoM results, if available.

Stability

Ambient: 2 months; Refrigerated: 4 months; Frozen: 3 years

Reference Interval

Acetylcholinesterase: Negative
Fetal Hemoglobin: Negative

Interpretive Data

Refer to report

Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

82013; 83033

Components
Component Test Code* Component Chart Name LOINC
2006849 Acetylcholinesterase, Amniotic Fluid 30106-9
2006850 Fetal Hemoglobin, Amniotic Fluid 28067-7
2006853 Acetylcholinesterase/Fetal HGB Interp 48767-8
* 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
  • Acetylcholinesterase Amniotic Fluid AFP
  • Acetylcholinesterase, AF
  • Acetylcholinesterase, Amniotic Fluid
  • AChE-AF
  • Amniotic Fluid, Acetylcholinesterase
  • Fetal Hemoglobin, Amniotic Fluid
Acetylcholinesterase and Fetal Hemoglobin, Amniotic Fluid