Interphase Fluorescent in situ Hybridisation or FISH, is a technique use in the paediatric setting to provide rapid results for the detection of chromosomal trisomies like Down syndrome (trisomy 21) and to diagnose certain classes of paediatric cancers.



$196.35 (Medicare criteria apply)

Reporting time

Results available the next business day, if received before 3.00pm.


Phone: 1300 11 8247
Email: [email protected]

Specimen Requirements

Lithium Heparin Blood (no gel)

Adults/Children: 5 ml

Infants: 1-2 ml

Neonates: 0.5-1 ml


Interphase FISH is always followed up with either a conventional karyotype or a molecular karyotype depending on the clinical indication and the FISH result obtained.

Storage Requirements: Do not freeze. Store at 4°C or room temperature.