Guidelines for Retention of Materials

· Accession log books:

· 2 years

· Cell pellets:

· Until analysis is completed (or longer at director’s discretion)

· Slides:

· 3 years

· Worksheets

· 20 years

· Karyograms (hard copy or electronic)

· 20 years

· Final report (hard copy or electronic)

· 20 years

References:

· CCMG Guidelines: Retention of Cytogenetic Records (2006)