Acetylcholinesterase & Fetal Hb, Amniotic Fluid (Sendout)

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General Information

Lab Name
Acetylcholinesterase & Fetal Hb, Amniotic Fluid (Sendout)
Lab Code
RAACH
Epic Name
Acetylcholinesterase and Fetal Hemoglobin, Amniotic Fluid (Sendout)
External Test Id
2006848
Description

Used to evaluate for a possible fetal open neural tube defect. May be ordered standalone; also performed reflexively when AFP, reflex to AChe & Fetal Hb, Amniotic Fluid (Sendout) [RAAFP] gives an abnormal result.

Forms & Requisitions
Synonyms
2006488, ACETYL AF, Acetylcholinesterase and Fetal Hemoglobin, AChE-AF, Amniotic Fluid, Fetal Hemoglobin Amniotic Fluid, neural tube, NTD, RACEAF
Components
Code Name
RACHER Acetylcholinesterase, Amniotic Fluid
RACHEF Fetal Hemoglobin, Amniotic Fluid
RACHEI AChE and Fetal Hemoglobin Interpretation, Amniotic Fluid

Interpretation

Method

Qualitative Gel Electrophoresis/Radial Immunodiffusion

Reference Range
See individual components
Ref. Range Notes

Reference Intervals:

Acetylcholinesterase: Negative
Fetal Hemoglobin: Negative

Ordering & Collection

Specimen Type
Amniotic Fluid
Collection

2 mL Amniotic Fluid

Forms & Requisitions
Handling Instructions

Outside Laboratories:

  • Store and transport samples at ambient temperature.
  • If submitting a standalone order (not as reflex from AFP, reflex to AChe & Fetal Hb, Amniotic Fluid (Sendout) [RAAFP]), a separate ARUP requisition is not required. Submit a completed DLMP requisition* with the sample.
    • *Use client-specific requisition when available. To obtain a client-specific requisition, contact Client Support Services via email at: commserv@uw.edu.

Stability: Ambient (preferred): 2 months; Refrigerated (4 months): Frozen: 3 years.

Quantity
Requested: 2 mL amniotic fluid
Minimum: 1 mL amniotic fluid

Processing

Receiving Instructions

Store samples at ambient temperature.

Sendouts:

  • Order ARUP Test: 2006848.
  • Interfaced: Yes. [Interface: 602; Department: ARPA]

Stability: Ambient (preferred): 2 months; Refrigerated: 4 months; Frozen: 3 years.

Misc Sendout

Performance

Lab Department
Sendouts ARUP Lab (AB)(ARPA)
Frequency
Performed: Monday, Wednesday. Reported: 3-11 days from sample receipt at ARUP.
Available STAT?
No
Performing Location(s)
Sendout ARUP Laboratories, Inc.
800-522-2787

500 Chipeta Way
Salt Lake City, UT 84108

Billing & Coding

CPT Codes
82013, 83033
LOINC
30106-9
Interfaced Order Code
UOW1367