Federal and State laboratory regulations require that all records be kept for a specified period of time.  The schedule noted below indicates the retention periods required by CMS [CLIA] and the Commonwealth of Massachusetts.  The time periods indicated are minimal retention periods.  Facilities accredited by other agencies should check with their accrediting agency for retention requirements.  Questions regarding the information below should be directed to:

Division of Health Care Quality
Clinical Laboratory Program
99 Chauncy Street, 2nd Floor
Boston, MA  02111
Phone (617) 753-8438 / 8439  Fax (617) 753-8240

 Retention periodComments
 CMSSTATE 
Requisitions   
Clinical laboratory2 years4 years 
Blood Bank5 years4 years 
Pathology2 years4 years 
Cytology2 years4 years 
Worksheets  includes QC, QA, PT and PM records
Clinical laboratory2 years4 years 
Blood Bank5 years4 years 
Pathology2 years4 years 
Cytology2 years4 years 
Reports   
Clinical laboratory2 years4 years 
Blood Bank5 years4 years 
Pathology10 years4 years 
Cytology10 years4 years 
Slides   
Hematologynot definednot defined 
Pathology10 years7 years 
Cytology5 years7 years 
Blocks   
Pathology2 years7 years 

This information is provided by the Clinical Laboratory Program within the Department of Public Health.