2026-02-17T09:26:52-08:00 2025-12-31 R L KEARNS CPA 3120 Kentish Town LN RALEIGH NC 27612 990 2025-01-01 270662044 International Society for Laboratory Hematology INTE 8479833519 2111 Chestnut Avenue 145 Glenview IL 60025 Olga Weinberg MD Treasurer 2026-02-17 true Richard L Kearns CPA P00327701 9194280225 X 2025 2025-03-06 01:10:19Z John Frater MD 2111 Chestnut Avenue 145 Glenview IL 60025 517511 false X http://www.islh.org/web/index.php X 2009 OH The International Society for Laboratory Hematology (ISLH) is an international group of laboratory hematology professionals serving as a forum for the dissemination of new ideas and information in all of the disciplines within laboratory hematology. These include:Cellular AnalysisHemostasis and ThrombosisFlow CytometryMolecular DiagnosticsHemoglobinopathies and ThalassemiaHemolytic AnemiasPoint of Care TestingHematology InformaticsStandards and Guidelines 18 18 0 25 0 477431 157242 395779 326792 5964 6283 7275 27194 886449 517511 70880 23451 0 0 0 0 677716 744992 748596 768443 137853 -250932 1465236 1364779 80471 151707 1384765 1213072 The International Society for Laboratory Hematology (ISLH) is an international group of laboratory hematology professionals serving as a forum for the dissemination of new ideas and information in all of the disciplines within laboratory hematology. These include:Cellular AnalysisHemostasis and ThrombosisFlow CytometryMolecular DiagnosticsHemoglobinopathies and ThalassemiaHemolytic AnemiasPoint of Care TestingHematology InformaticsStandards and Guidelines false false 561284 23451 248188 Sponsored the annual international symposium. The 2025 symposium was held in Halifax, Nova Scotia, Canada during May of 2025 as well as virtually. The symposium provided a forum for the membership to obtain updated information on technological innovations in laboratory hematology. The symposium was a three day conference preceded by a one day educational workshop. Participants included approximately 700 professionals from more than 50 countries and included more than 200 presentations. 120302 Developed and presented educational webinars and E-learning courses for the benefit of the membership as part of an effort to provide timely information to that membership concerning developments in the field of laboratory hematology. Education network is designed in part to familiarize pathologists with the current diagnostic workup of systemic mastocytosis (SM) and to help them to recognize the morphologic features, chose the appropriate ancillary testing (e.g., high sensitivity molecular KIT testing, flow cytometric studies, myeloid mutation testing by next-generation sequencing, etc.) and integrate clinical data to diagnose and classify SM. 31869 Published The International Journal of Laboratory Hematology for use by membership and interested parties. The journal provides an international forum for all new developments in the research and practice of laboratory hematology and includes invited reviews, full length original articles and correspondence. 713455 true true false false false false false false false false false false false false true false false false false false true false false false false false false false true false false false false false false false false false false false false false false false false false false true 1 0 true 0 false false false false false false false 0 false false false false false false false X 18 18 false true false false true true false true true false false true true true true false false false false false OH X Adam Kohm 8479833519 2111 Chestnut Avenue Suite 145 Glenview IL 60025 X Elosa Urrechaga PhD Board Member 0.50 0.00 X 0 0 0 Hiromichi Matsushita MD PhD Board Member 0.50 0.00 X 0 0 0 Jessica Opie MBChB MRCP Board Member 0.50 0.00 X 0 0 0 Katrien Devreese MD PhD VP Comms 1.00 0.00 X X 0 0 0 Archana Agarwal MD Board Member 0.50 0.00 X 0 0 0 Gina Zini MD PhD Board Member 0.50 0.00 X 0 0 0 Simon Davidson FIBMS MPHIL Board Member 0.50 0.00 X 0 0 0 Samia Rizk MD Board Member 0.50 0.00 X 0 0 0 Jin-Yeong Han MD PhD Board Member 0.50 0.00 X 0 0 0 Swati Pai MD DNB Board Member 0.50 0.00 X 0 0 0 Giuseppe d'Onofrio MD Co-Editor 2.00 0.00 X X 0 0 0 Maha Othman MD MSc PhD Board Member 0.50 0.00 X 0 0 0 Tracy George MD Past President 1.00 0.00 X X 0 0 0 Olga Weinberg MD Treasurer 1.00 0.00 X X 0 0 0 John Frater MD President 1.00 0.00 X X 0 0 0 Alexa Siddon MD VP - Membership 1.00 0.00 X X 0 0 0 Chee Wee Tan MBBS FRACP PhD VP Education 1.00 0.00 X X 0 0 0 Pierre Toulon PharmD Board Member 0.50 0.00 X 0 0 0 Martha Eva Viveros PhD Board Member 0.50 0.00 X 0 0 0 Ian Mackie PhD FRCPath Co-Editor 2.00 0.00 X X 0 0 0 0 false false false SplHost Inc 2111 Chestnut Avenue Suite 145 Glenview IL 60025 Management 164304 1 157242 157242 Annual Symposium/Meetings 248188 248188 Membership Dues & Assessments 78604 78604 326792 6283 6283 0 27194 27194 0 0 0 0 0 0 517511 248188 112081 0 15169 15169 8282 8282 0 0 0 0 0 0 0 82152 41076 41076 0 2375 2375 0 0 0 0 0 0 11750 11750 0 0 9515 9515 0 496757 496757 0 0 0 1535 1535 Educational Program Expenses 108552 108552 Printing and Publications 31869 31869 State Filing Fees 378 378 Postage and Shipping 109 109 0 768443 713455 54988 0 964840 654172 0 0 3004 1457 0 0 0 0 14592 147111 0 482800 562039 0 0 0 0 1465236 1364779 80471 151706 1 80471 151707 X 1384765 1213072 1384765 1213072 1465236 1364779 -250932 79239 X false false false X 240264 491967 327551 477314 236146 1773242 104485 476126 176031 309403 248188 1314233 0 0 0 344749 968093 503582 786717 484334 3087475 0 0 3087475 4836 6662 5663 5964 6283 29408 0 4836 6662 5663 5964 6283 29408 0 45978 21367 23036 7275 27194 124850 395563 996122 532281 799956 517811 3241733 0.95240 0.96030 0.00910 0.00860 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED Rounding 1 1 true East Asia & Pacific 0 0 Annual Symposium Honoraria/travel awards 250 Europe 0 0 Journal Publication Printing, etc. 30845 North America 0 0 Annual Symposium Honoraria/travel awards 800 South Asia 0 0 Annual Symposium Honoraria/travel awards 3100 Europe 0 0 Annual Symposium Local meeting expenditures 106034 Europe 0 0 Annual Symposium Honoraria/travel awards 4132 145161 145161 false false false false false false Part I, Line 3f - Method of Accounting Cash disbursement transactions. Part I, Line 3f - Investments and Expenditures Organization's annual symposium was held in Canada and a number of speakers reside internationally. Activities outside the US relate to honoraria or travel awards as well as local expenditures related to the meeting.Additionally, the organization's scientific journal is published by a UK firm. Part III, Line 1 - Estimated Number of Recipients 12 false 0 0 Speaker Travel Grants 7 13451 BH Lecture Award 1 5000 WHCF Lecture Award 1 5000 Form 990, Part VI, Section A, Line 1a No authority delegated - committees act on an advisory basis. Form 990, Part VI, Section A, Line 3 Meeting planning, bookkeeping and general administrative duties contracted to SPLHost, Inc.Membership recruiting and meeting/organization promotion contracted to Biospecifix. Form 990, Part VI, Section A, Line 6 There are two classes of members. General Members are any medical or scientific professional engaged in the practice of or research in the field of laboratory hematology upon payment of annual dues and approval of membership application by the Board of Directors. Student/Trainee Members are any student engaged in the study of the field of laboratory hematology or person training to practice or conduct research in such field upon payment of annual dues and approval of membership application by the Board of Directors. Form 990, Part VI, Section B, Line 11b Draft copy of Form 990 and all attachments forwarded to each Board Member for approval prior to filing. Form 990, Part VI, Section B, Line 12c Annually, Board Members review and update, if applicable, the conflict of interest written policies. They also review and address any potential conflicts of interest that may arise in regards to events sponsored by the society. Form 990, Part VI, Section C, Line 19 Governing documents are posted on the organization's web site. Annual budget is available to membership upon request. Form 990, including attachments, is available to membership upon request.