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Test Code: GNFISH Preferred Name FISH

No
24 hours
Batched
7 days
Medicare Item with conditions - see General notes
N/A

Test Tubes

ImageSpecimen TypeSpecimen VolumeTube Type
Blood (adult)5 mLLithium Heparin No Gel 7 mL (Dark Green Top)
Blood (paediatric)1 - 2 mLLithium Heparin 2 mL no gel paed (Dark Green)

COLLECTION NOTES

Sterile collection.

IMPORTANT! - If Prader Willi or Angelman testing is requested collect an EDTA tube for MLPA in addition to Li Hep.

GENERAL NOTES

Medicare eligible under the following conditions: diagnostic studies of a person with developmental delay, intellectual disability, autism, or at least two congenital abnormalities, in whom cytogenetic studies (item 73287 or 73289) are either normal or have not been performed; or
b) studies of a relative for an abnormality previously identified in such an affected person.
If criteria not met: cost is $300 per probe used.

FISH testing on constitutional samples.  Multiple probes are available.  Contact Cytogenetics for further details.

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