A chromosome microarray is a powerful tool used to look at sub microscopic changes in our genetic information that may impact health or development. Microarray is considered the gold standard test for the investigation of intellectual disability and developmental and behavioural concerns such as autism spectrum disorders and congenital malformations.



Private and public patients: $510.40 (bulk billed)

Non-Medicare patients: $510.40 - $589.90

Reporting time

Routine analysis: 2-3 weeks

Urgent: 8-10 days


Phone: 1300 11 8247
Email: [email protected]

Specimen Requirements

Saliva (please contact laboratory for saliva kits)

EDTA blood:
Adults/Children: 5 ml
Infants 0.5 - 1 ml


Please note, a conventional chromosome analysis or specific Prader-Willi/Angelman syndrome test can not be performed at the same time as a microarray analysis due to Medicare constraints.

A conventional chromosome analysis is recommended for neonates with suspected trisomy eg. Down syndrome.

See information about Saliva kits & sampling.