Chromosome Abnormalities, FISH

• CPT Code:
• LOINC:
• Specimen Type: Multiple specimen types
• Frequency: Setup: Daily; analytic time 9 days
• Instructions: Amniotic Fluid:25 mL. Blood: 5 mL. Bone Marrow: 1 mL. Chorionic Villi:20 mg. Lymph Node: 1 cm(3). Solid Tumor: 4 cm(3)
• Text: As an adjunct to conventional chromosome studies, to resolve unusual or complex structural alterations, questionable mosaicism, and unbalanced chromosome abnormalities that cannot be resolved by studies on other family members. To diagnose certain disorders caused by a deletion or duplication of a given chromosome region.
• Methodology: Fluorescence In Situ Hybridization (FISH)