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Laboratory practices for manual blood film review: Results of an IQMH patterns of practice survey
Author(s) -
Leung Elaine,
Johnston Anna,
Olsen Brian,
Chang Hong,
Martin Tracy,
Wozniak Miranda,
Good David
Publication year - 2021
Publication title -
international journal of laboratory hematology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.705
H-Index - 55
eISSN - 1751-553X
pISSN - 1751-5521
DOI - 10.1111/ijlh.13343
Subject(s) - blood film , medicine , family medicine , hematology analyzer , hematology , medical laboratory , test (biology) , blood smear , medical education , medical physics , pathology , malaria , paleontology , biology
Examination of a blood film is the second most common hematology test, after the complete blood count. Interpretation of a peripheral blood film by trained laboratory professionals provides valuable diagnostic information. The Institute for Quality Management in Healthcare (IQMH) Hematology Scientific Committee developed a questionnaire to gather information regarding current practices for manual blood film review and reporting from laboratories participating in IQMH Morphology proficiency testing (PT) surveys. Methods An online survey was distributed to 174 laboratories, 97% submitted results. Results Of the respondents, the majority (82%) indicated affiliation with small‐ or medium‐sized hospitals (<500 beds). 80% of respondents had core laboratory technologists performing manual blood film reviews, while only 2% utilized dedicated hematology technologists with morphology expertise. All respondents had a policy for manual blood film review by a technologist, 70% did not have blood films reviewed by a senior/charge technologist prior to review by a physician. The majority (88%) of participants included morphological findings in their critical result list; of these, 98% include malaria and 88% include the first‐time finding of blasts as critical results. 59% of participants indicated that they have a procedure in place to ensure that interpretation and confirmation of first‐time potentially significant morphological findings are available from a physician at all times. Conclusion This survey identified significant variation in blood film review and reporting practices across participating laboratories. The IQMH Hematology Scientific Committee will develop best practice recommendations to guide and standardize practice.

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