Pathology Handbook

Recent changes for Chromosome Fragility test
Date	Field	Changed From	Changed To
22nd July 2025	Volume (Adults)	6 mL	10 mL
	Minimum/Paediatric Volume	2 mL	5 mL
	Collection & Request Instructions	Samples must only be collected Mondays - Wednesday due to interstate testing.	Samples should be collected Monday to Thursday.
	Frequency	Weekdays	By Arrangement

Alternative Names:

Chromosome Instability
Chromosome Breakage Analysis

Laboratory:

Human Molecular

Test Code:

CHROMFRAG

Specimen Types:

Blood

Container Types:

Lithium Heparin (without Gel)

Adults Volume or Mass:

10 mL

Minimum/Paediatric Volume or Mass:

5 mL

Collection & Request Instructions:

Samples should be collected Monday to Thursday.

Transport Instructions between Sites and/or Laboratories:

Room Temperature

Assay Frequency:

By Arrangement

External Laboratory:

Monash Pathology

Additional Notes:

Monash Pathology cytogenetics laboratory MUST be contacted (tel 95944135) prior to ordering this test.

Must be received by testing laboratory within 72 hours of collection