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Unit Code 9287:
Acetylcholinesterase, Amniotic Fluid (AChE-AF), Amniotic Fluid

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Specimen Required

1 mL of amniotic fluid. Do not centrifuge. Send specimen

refrigerated. A specimen from the 16 to 18 week gestational period

of pregnancy is preferred. Amniotic fluid from the 14 to 21 week

gestational period is acceptable.

Note:    1. Gestational age is required on request form for

                      processing.

                  2. If chromosome studies are also requested, see

                      #8426 "Chromosome Analysis, Amniotic Fluid."  The

                      specimen for AChE testing, when requested with

                      chromosome analysis, cannot be frozen.

                  3. If ordering electronically, please complete and submit

                      a "MayoConnect Additional Test Information Form"

                      (Supply T357 or see Special Instructions) with the specimen.

                      If not ordering electronically, please complete and submit

                      a "Cytogenetics/AFP Congenital Disorders Request Form"

                      (Supply T238) with the specimen.

Transport Temperature

Refrig\Ambient <96 hours OK\Frozen OK

Reject Due To

Specimens Other Than:                 Amniotic fluid

Anticoagulants Other Than:           NA

Hemolysis:                                          No

Thawing:                                              NA

Lipemia:                                               NA

Day(s) and Time(s) Test Performed

Tuesday; Thursday 8:00 a.m. (not reported on Saturday and Sunday)


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