Ordering Recommendation

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

New York DOH Approval Status

This test is New York state 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

Methodology

Qualitative Gel Electrophoresis / Qualitative Radial Immunodiffusion

Performed

Mon, Wed

Reported

3-11 days

Reference Interval

Test Number
Components
Reference Interval
  Fetal Hemoglobin, Amniotic Fluid Negative
  Acetylcholinesterase, Amniotic Fluid 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