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Policy QPCMI19001.08 Page 1 of 3
Department of Microbiology
Quality Manual
Section: Microbiology Lab Specimen Subject Title: Specimen Retention Times
Management Manual
Prepared by: QA Committee Original Date: March 1, 2003
Issued by: Laboratory Manager Revision Date: March 25, 2010
Approved by: Laboratory Director Annual Review Date: May 31, 2011
BACTERIOLOGY & MYCOLOGY
SPECIMEN RETENTION TIMES
Specimen Storage
Temperature Duration
Urines 4C 4 days
Swabs*, Resp, Stool, Fluid 4C 8 days
Infection Control Surveillance Swabs 4C MSH - 1 month; others - 1 week
CSF 4C 4 weeks
Tissues (if sufficient is left) -70C 3 months
Positive culture plates Room Temperature (RT) 3 days after final reading
Positive blood culture bottles
RT 2 weeks
including PD
Gram stain RT 3 weeks
Teaching slides RT Indefinitely
Mycology teaching cultures in
RT Indefinitely
distilled water
* Except Infection Control Surveillance Swabs
ISOLATE RETENTION TIMES
Isolates Storage
Temperature Duration
MRSA, VRE, MRO and other
organisms with epidemiological
-70C Indefinitely
implication (refer to list in Infection
Control Manual)
Significant blood culture isolates (Refer
-70oC 5 years minimum
to list in blood culture manual)
VITEK purity plates (except
4C 1 month
Staphylococcus or Enterococcus)
Control plates of Oxacillin Screen and
4C 6 months
Vancomycin Screen
ß-haemolytic-streptococcus and yeasts Room Temperature (RT) 10 days
All isolates sent to PHL for ID -70C 5 years minimum
UNIVERSITY HEALTH NETWORK/MOUNT SINAI HOSPITAL, DEPARTMENT OF MICROBIOLOGY
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e
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Policy QPCMI19001.08 Page 2 of 3
Department of Microbiology
Quality Manual
Section: Microbiology Lab Specimen Subject Title: Specimen Retention Times
Management Manual
VIROLOGY
SPECIMEN RETENTION TIMES
Storage
Specimen Temperature Duration
Specimens (neat) 4C 1 weeks
Specimens treated with antibiotics -70C 6 months
Positive isolates -170C 5 years
C. difficile 4C 3-4 days
SEROLOGY
SPECIMEN RETENTION TIMES
Storage
Serum Temperature Duration
All sendouts 4oC 3 months
All routine serological tests (except for
4oC 3 months
transplant)
Bone marrow transplant -20oC 5 years
Trillium Gift of Life -20oC 10 years
Bone Bank -20oC 5 years
Eye Bank -20oC 5 years
HIV Test -20oC 10 years
In vitro fertilization -20oC 5 years
Cord blood -20oC 5 years
UNIVERSITY HEALTH NETWORK/MOUNT SINAI HOSPITAL, DEPARTMENT OF MICROBIOLOGY
NOTE: This is a CONTROLLED document. Any documents appearing in paper form that are not stamped in red "MASTER COPY" are not
controlled and should be checked against the document (titled as above) on the server prior to use
C:\Docstoc\Working\pdf\736988f3-e683-4404-8b6c-1418c62d1144.doc
Policy QPCMI19001.08 Page 3 of 3
Department of Microbiology
Quality Manual
Section: Microbiology Lab Specimen Subject Title: Specimen Retention Times
Management Manual
Record of Edited Revisions
Manual Section Name: Specimen Retention Times QPCMI19001
Page Number / Item Date of Revision Signature of
Approval
Annual Revision December 15, 2006 Dr. T. Mazzulli
Annual Revision October 30, 2007 Dr. T. Mazzulli
Annual Revision June 18, 2008 Dr. T. Mazzulli
Annual Revision July 30, 2009 Dr. T. Mazzulli
Changed MORE to TGLN March 25, 2010 Dr. T. Mazzulli
Annual Revision May 31, 2011 Dr. T. Mazzulli
Record of Edited Revisions.doc
UNIVERSITY HEALTH NETWORK/MOUNT SINAI HOSPITAL, DEPARTMENT OF MICROBIOLOGY
NOTE: This is a CONTROLLED document. Any documents appearing in paper form that are not stamped in red "MASTER COPY" are not
controlled and should be checked against the document (titled as above) on the server prior to use
C:\Docstoc\Working\pdf\736988f3-e683-4404-8b6c-1418c62d1144.doc
