Nalan Yurtsever, MD
she/her/hers
Assistant Professor of Laboratory MedicineDownloadHi-Res Photo
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Titles
Assistant Professor of Laboratory Medicine
Medical Director of Clinical Labs, Laboratory Medicine; Assistant Medical Director of Blood Bank, Laboratory Medicine
Biography
Nalan Yurtsever, MD, is a laboratory medicine specialist with expertise in transfusion medicine and apheresis. She currently serves as the Medical Director of the Clinical Laboratory at Bridgeport Hospital and Assistant Medical Director of the blood bank. Dr. Yurtsever is committed to improving laboratory quality to enhance both diagnosis and treatment. Her work aims to advance testing methods and deepen the understanding of transfusion-related challenges to improve patient outcomes.
Last Updated on March 04, 2026.
Appointments
Laboratory Medicine
Assistant ProfessorPrimary
Other Departments & Organizations
- Laboratory Medicine
- Palade House Affiliates
- Yale Medicine
- Yale New Haven Health System
Education & Training
- MD
- Yale New Haven Hospital, Transfusion Medicine and Apheresis (2024)
- Fellowship
- Yale University School of Medicine (2024)
- MD
- Zucker School of Medicine at Hofstra/Northwell, Anatomic and Clinical Pathology (2023)
- MD
- Ankara University School of Medicine
Research
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Overview
Research interests include red cell exchange in sickle cell patients, transfusion reactions, transfusion safety, and red cell antibodies.
ORCID
0000-0001-7807-6046
Research at a Glance
Yale Co-Authors
Frequent collaborators of Nalan Yurtsever's published research.
Publications Timeline
A big-picture view of Nalan Yurtsever's research output by year.
Christopher Tormey, MD
Henry Rinder, MD
Edward L. Snyder, MD, FACP
Erin Horstman, MD
Joe El-Khoury, PhD, DABCC
Alexa Siddon, MD
32Publications
68Citations
Publications
2026
Liquid plasma versus thawed plasma: Tracking coagulation factor activity changes during storage
Yurtsever N, Gereg C, Perera N, Bahel P, Alicea M, Rinder H, Snyder E, Tormey C, Lee E. Liquid plasma versus thawed plasma: Tracking coagulation factor activity changes during storage. Vox Sanguinis 2026 PMID: 41871962, DOI: 10.1111/vox.70248.Peer-Reviewed Original ResearchConceptsThawed plasmaCoagulation factor activityProtein SFactor VEmergency transfusionDay 5Massive transfusion protocolFactor levelsLiquid plasmaActivity of FVIIIFactor activityTransfusion protocolMean activityFVIII activityActivity of fibrinogenFVIIFVIIITransfusionFibrinogenPC activityTP5DaysPlasmaShelf-lifeCoagulationValidating CALIPER pediatric reference intervals in a U.S. population using retrospective outpatient data and RefineR
Kodger J, Durant T, Yurtsever N, El-Khoury J. Validating CALIPER pediatric reference intervals in a U.S. population using retrospective outpatient data and RefineR. Clinica Chimica Acta 2026, 584: 120846. PMID: 41565092, DOI: 10.1016/j.cca.2026.120846.Peer-Reviewed Original ResearchCitationsMeSH Keywords and ConceptsConceptsPediatric reference intervalsBody mass indexCALIPER reference intervalsCLSI guidelinesReference intervalsCanadian Laboratory InitiativePediatric laboratory medicinePopulation-specific reference intervalsOutpatient pediatric populationPediatric outpatient populationBlood urea nitrogenYears of ageEP28-A3cPediatric populationMass indexOutpatient dataCLSIU.S. populationAlanine aminotransferaseOutpatient populationInterpretation of laboratory resultsUrea nitrogenPlatelet Transfusion Practices and Outcomes in Neonates and Children
Goel R, Karam O, Warden D, Birch R, Binns T, Punzalan R, Roubinian N, Yurtsever N, Patel R, Bougie D, Luban N, Josephson C, Sola-Visner M, Nellis M. Platelet Transfusion Practices and Outcomes in Neonates and Children. JAMA Network Open 2026, 9: e2554531. PMID: 41604154, PMCID: PMC12853206, DOI: 10.1001/jamanetworkopen.2025.54531.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsPosttransfusion platelet incrementsYears of agePlatelet transfusionsPlatelet incrementOlder childrenPretransfusion platelet countPlatelet transfusion practicesPlatelet additive solutionTransfusion burdenPlatelet countClinical outcomesMale sexRecipient EpidemiologyDonor ageNeonatesCohort studyTransfusionTransfusion practiceBlood donorsChildren 1Platelet characteristicsPR plateletsPatientsPlateletDonor characteristics
2025
Reevaluating Ferritin Reference Intervals: Defining Limits Based on Iron-Sufficient Population Studies, Clinical Relevance, and Healthcare Efficiency
Kodger J, El-Khoury J, Yurtsever N. Reevaluating Ferritin Reference Intervals: Defining Limits Based on Iron-Sufficient Population Studies, Clinical Relevance, and Healthcare Efficiency. The Journal Of Applied Laboratory Medicine 2025, 11: 193-196. PMID: 41047906, DOI: 10.1093/jalm/jfaf151.Peer-Reviewed Original ResearchLoss of D expression associated with hematologic disease progression: a case report and review of the literature
Yurtsever N, Carmichael G, Li P, Di Wen J, Chai H, Diadamo A, Denomme G, Tormey C. Loss of D expression associated with hematologic disease progression: a case report and review of the literature. Immunohematology 2025, 41: 80-83. PMID: 41168989, DOI: 10.2478/immunohematology-2025-012.Peer-Reviewed Original ResearchMeSH Keywords and ConceptsConceptsStem cell transplantationPatient's red blood cellsMyelodysplastic syndromeCell transplantationRed blood cellsPolymerase chain reactionPre-B acute lymphocytic leukemiaColon cancerGroup AAllogeneic stem cell transplantationHigh-risk myelodysplastic syndromeInitiation of immunosuppressive therapyDiagnosis of myelodysplastic syndromeChromosomal microarrayAcute lymphocytic leukemiaSanger sequencingFemale cellsPartial D variantsGene expressionImmunosuppressive therapyLymphocytic leukemiaD phenotypeMale patientsCase reportAnti-D reagentsWhy auto‐anti‐D might be more likely than allo‐anti‐D for people with conventional D type
Yurtsever N, Liu J, Cedeno E, Tormey C, Denomme G, Horstman E. Why auto‐anti‐D might be more likely than allo‐anti‐D for people with conventional D type. British Journal Of Haematology 2025, 207: 1722-1725. PMID: 41070675, DOI: 10.1111/bjh.70081.Peer-Reviewed Original ResearchEvaluating RhD assessment by automated methodology: A potential “blind spot” for RhD variant identification
Yurtsever N, Tormey C, Bizzario L, Lee E. Evaluating RhD assessment by automated methodology: A potential “blind spot” for RhD variant identification. Transfusion 2025, 65: 1574-1579. PMID: 40944507, DOI: 10.1111/trf.18343.Peer-Reviewed Original ResearchCitationsMeSH Keywords and ConceptsConceptsPositive predictive valueRHD genotypingD variantsWomen of Childbearing AgeRHD variant allelesHigh-risk patientsYale-New Haven HospitalAnti-D formationBlood bank protocolsTube testAnti-D AntibodiesNew Haven HospitalRh blood groupsChildbearing ageVariant allelesPatient populationTransfusion practicePatientsTraditional tube testsPredictive valueTransfusionBlood groupTransfusion servicesRHDSerological reactivity“Cryobit” aggregates in liquid plasma units
Gereg C, Tormey C, West F, Yurtsever N. “Cryobit” aggregates in liquid plasma units. Transfusion 2025, 65: 1383-1384. PMID: 40485613, DOI: 10.1111/trf.18308.Peer-Reviewed Original ResearchMedical, Societal, and Ethical Considerations for Directed Blood Donation in 2025.
Jacobs J, Booth G, Lewis-Newby M, Saifee N, Ferguson E, Cohn C, Delaney M, Morley S, Thomas S, Thorpe R, Raza S, Weaver M, Woo J, Sharma D, So-Osman C, Yurtsever N, Tormey C, Waters A, Goldman M, Yan M, Fasano R, Stephens L, Allen E, Erikstrup C, Infanti L, Schlafer T, Warner M, Winters J, Tobian A, Bloch E. Medical, Societal, and Ethical Considerations for Directed Blood Donation in 2025. Annals Of Internal Medicine 2025, 178: 1021-1026. PMID: 40354666, DOI: 10.7326/annals-25-00815.Peer-Reviewed Original ResearchCitationsAltmetricConceptsDirected donationEthical principlesEthical concernsEthical considerationsLegislative attemptsPersonal beliefsLegislative effortsPublic trustMandate complianceDiscriminatory practicesScientific justificationDonation preferencesExacerbate shortagesScientific communityMedical necessityDonationPotential harmUnited StatesDirected blood donationsAllocation practicesEthicsLogistical burdenNon-evidence-based interventionsPatient safety risksBlood donationEvaluation of nonspecific reactivity rates across three immunohematology testing platforms with assessment of subsequent specific alloantibody development
Yurtsever N, Carmichael G, Malonis R, Madden M, Isik N, Ahmed M, Bizzario L, Shah B, Tormey C, Lee E. Evaluation of nonspecific reactivity rates across three immunohematology testing platforms with assessment of subsequent specific alloantibody development. Transfusion 2025, 65: 978-984. PMID: 40251842, PMCID: PMC12092180, DOI: 10.1111/trf.18256.Peer-Reviewed Original ResearchCitationsConceptsNonspecific reactivityAntibody screeningStrength of reactivityRate of positivityReagent red cellsAlloantibody developmentKruskal-Wallis testAntibody historyChart reviewPretransfusion testingAntibody identificationIRB approvalIdentification panelKruskal-WallisPositive screenAntibody detectionRed cellsAntibodiesAlloantibodiesStudy periodReactivation rateTube testNonspecific reactionsScreeningCells
Clinical Care
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Overview
Nalan Yurtsever, MD, is a laboratory medicine specialist with expertise in transfusion medicine and apheresis. She currently serves as the medical director of the clinical laboratory at Bridgeport Hospital and assistant medical director of its blood bank.
Dr. Yurtsever is committed to improving laboratory quality to enhance both diagnosis and treatment. Her work aims to advance testing methods and deepen the understanding of transfusion-related challenges to improve patient outcomes.
Clinical Specialties
Laboratory Medicine; Sickle Cell Disease
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Locations
Bridgeport Hospital
Academic Office
267 Grant Street, Wing Pathology, Fl 2nd floor
Bridgeport, CT 06610
Milford Hospital
Academic Office
300 Seaside Ave
Milford, CT 06460
Patient Care Locations
Are You a Patient? View this doctor's clinical profile on the Yale Medicine website for information about the services we offer and making an appointment.