Lab Information Manual

Laboratory:

Genomics (CYTOGENETICS)

Test Name:

FISH TESTING FOR CONSTITUTIONAL CHROMOSOME DISORDERS in Amniotic Fluid - (AMF)

Test Code: GENO

Clinical Information:

Test performed at: Health Sciences Centre, Cytogenetics Laboratory

Test Indications: Refer to Requisition - For more information on clinical criteria for ordering 22q11.1 FISH, please see: 22q11.2 FISH Criteria

Test Approval Requirements: FISH testing can only be ordered by a Clinical Geneticist with the exception of FISH for 22q11.2 deletion which can also be ordered by a Pediatric Cardiologist or a Pediatric Immunologist.

Collection Devices:

Preferred Device:

3 - Sterile 15 mL Corning Polypropylene Conical Tubes - Quantity: 2-3

Contact Laboratory Genetic Counsellor at GenomicsLabGC@sharedhealthmb.ca or ph:204-787-4033 with any questions.

Specimen Required:

Amniotic Fluid: 30.0 mL

Specimen Handling: Do NOT centrifuge. Forward specimens to Health Sciences Centre, Central Services MS551.

Store and ship specimens at room temperature. Do not refrigerate. Do not freeze.

Post collection, amniotic fluid should be kept at room temperature and transported promptly. For further information, please call 787-2489. St. Boniface Hospital (SBH) patient samples are registered with test code GENO and are sent through the Biochemistry Lab.

Referral:

Requisition:

_SH Genomics Prenatal Testing Requisition (R250-10-113)

Reference Values:

An interpretive report will be sent.

Availability:

Prenatal samples can be received weekdays and Saturday: 0800h - 1600h; Closed Sundays and statutory holidaysys.