American Society of Hematology disorders of the hematopoietic, hemostatic, and lymphatic systems, and disorders of the interaction between blood and the blood vessel wall. An American hematologist has trained in a subspecialty program approved by the American Board of Internal Medicine or the American Board of Pediatrics, or has acquired a comparable education in the field by alternate means, and is Board Certified (or eligible) in the subspecialty of hematology. Diagnostic expertise of a hematologist A hematologist is expert in the investigation, diagnosis, and management of disorders of the aforementioned organ systems through the use of the medical history, physical findings, specialized clinical laboratory
American Academy of Sleep Medicine American Academy of Sleep Medicine The American Academy of Sleep Medicine (AASM) is a United States professional society for the medical subspecialty of sleep medicine which includes disorders of circadian rhythms. It was established in 1975. The organization's functions include the accreditation of sleep medicine facilities in the United States. According to the AASM, the organization issued its first accreditation to a sleep disorders center in 1977 (April 27, Sleep-Wake Disorders Center, Montefiore Medical Center, New York), and by 2010 had accredited more than 2,000 centers and laboratories for sleep-related breathing disorders. The organization's vision is achieving optimal health through