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Angelman/Prader Willi by Fish

Important Note

It is standard of care to diagnose microdeletion syndromes using fluorescence in situ hybridization (FISH).

Department

Integrated Genetics (Genzyme)

Specimen Type

Blood

Method

Fluorescence in situ hybridization (FISH)

Container

Green-top (sodium heparin) tube

Standard Volume

10 mL

Minimum Volume

5 mL

Pediatric Volume

2 mL

Ship Temperature

Room

Stability Refrigerated

n/a

Stability Room Temp

Refer to Integrated Genetics website.

Stability Frozen

n/a

CPT Codes

88271(1), 88273(1), 88274(1) (plus appropriate tissue culture codes: 1 probe - 1 unit, 2 probes - 2 units, 3 probes - 3 units, 4 probes - 4 units, 5 probes - 5 units, 6 probes - 6 units) 88271(2), 88273(2), (for Angelman syndrome or Prader-Willi syndrome)