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General Information
Alias: Trisomy FISH, Aneuploidy
Performed: Sun-Sat
Turn Around Time: 2-3 days
CPT Codes: 88271 x5; 88275 x5; 88291
Performed By: Referral Lab
Notes:
FORM REQUIRED.
Patient History for Prenatal Cytogenetics
Additional order for CHROMOSOME ANALYSIS, AMNIOTIC FLUID must be placed if karyotyping is required. Additional order for CMA-PRENATAL GENOMIC MICROARRAY must be placed if CMA testing is required. Order CMA-PRENATAL (FISH WITH REFLEX) instead of this test, to utilize FISH testing first, then reflex to either Chromosome (abnormal FISH) or CMA-Prenatal Genomic Microarray (normal FISH).
Clinical Utility: Test for rapid detection of aneuploidy involving chromosomes X, Y, 13, 18, and 21. For patients greater than or equal to 20 weeks, 5 days gestation, order STAT FISH PRENATAL [LAB411798].
Link:
FISH, Prenatal
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
FISH, Prenatal |
Fluorescence in situ Hybridization |
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Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Amniotic Fluid |
2, 15mL screw top tubes |
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Deliver labeled specimens and completed form to lab immediately. |
Room Temperature |
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