Hematology Specialist: When Should You Consult a Hematologist? Blood plays an essential role in carrying oxygen, fighting infections, and helping the body control bleeding. When blood cell counts are abnormal or symptoms suggest a blood-related condition, a medical evaluation may be necessary. A hematology specialist helps diagnose and manage various disorders affecting the blood, bone marrow, and related systems. Read more: https://whimsical.com/765184/hematology-specialist-when-should-you-consult-a-hematologist-XTUi271csmQJ1AExhKfcnw