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Fluorescence In Situ Hybridization (FISH)


Discover genetic insights with fluorescence in situ hybridization (FISH)

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Fluorescence in situ hybridization (FISH) identifies targeted regions on chromosomes using specific fluorescent tagged DNA probes thus enabling detection of various numerical and structural chromosomal aberrations.

This analysis helps in rapid identification of chromosomal aneuploidies like trisomies 13, 18 and 21, microdeletion syndromes like DiGeorge syndrome (22q microdeletion) and other chromosomal rearrangements like translocations.

Accepted sample types

The following sample types are accepted:

  • Chorionic Villi
  • Amniotic Fluid
  • Fetal Blood

How to order

Step 1

Test selection and place order

Step 2

Specimen collection and shipment

Step 3

Get results

How to order

1. Choose your test

Select the correct test for your patient, and fill out the General Test Requisition Form.

  • Please make sure that all sections are completed, and that the patient has signed an informed consent form.
2. Collect a sample

Obtain a sample for testing from the patient using one of the provided Revvity Omics test packs.

  • Ensure that the patient sample is labeled with the patient’s name and date of birth.
3. Send a sample

Package the patient sample, informed consent form, and test requisition form back into the test kit, and utilize the included pre-paid shipping label to return the kit to Revvity Omics for processing.

  • We ask that you kindly include any applicable medical records or clinical notes with the sample at the time of test submission.


This testing service has not been cleared or approved by the U.S. Food and Drug Administration. Testing services may not be licensed in accordance with the laws in all countries. The availability of specific test offerings is dependent upon laboratory location. The content on this page is provided for informational purposes only, not as medical advice. It is not intended to substitute the consultation, diagnosis, and/or treatment provided by a qualified licensed physician or other medical professionals.