Hematology

Hematology was the branch of physiology which studied blood (hemoglobin) and related organs and diseases.

A medical practitioner who studies hematology was known as a hematologist. Dr. Phlox had several medical related degrees, including one in hematology. Denara Pel was a prominent Vidiian hematologist. 

Treatments
While attempting to cure the Teplan blight, Julian Bashir ran a hematology scan on Epran. He noticed an unaccountable change in the viral base pair sequence. It was later discovered that the EM fields from his medical instruments was causing a mutation in the virus. 

In 2374, The Doctor had Seven of Nine run a hematological scan on Neelix in order to regulate the dosage of nanoprobes for his next injection. 

Blood diseases and conditions

 * Eosinophilia
 * Hemophilia
 * Metremia
 * Teplan blight