Wolf-Hirschhorn Syndrome

Indications For Wolf-Hirschhorn Syndrome

Individuals with Wolf-Hirschhorn syndrome are characterized by microcephaly, growth deficiency, mental retardation and characteristic facial features. 

Collection Procedure

  • Peripheral blood Collect whole blood in a green top tube (sodium heparin). Label tube with patient’s name and date of birth.

Specimen Requirements

FISH analysis is performed following cytogenetic analysis

Transport Temperature

Room temperature (DO NOT refrigerate, freeze or centrifuge)

A completed test requisition form must be included with every sample.  A transport kit is available upon request.


Laboratory testing for Wolf-Hirschhorn Syndrome is performed on metaphase chromosomes utilizing Fluorescence in situ hybridization targeting chromosome 4.

Causes for Rejection

Frozen specimen, inappropriate container

Turnaround Time

24-48 hrs after completion of cytogenetic analysis