To identify whether a patient has an immunodeficiency disorder, which can help diagnose conditions such as primary immunodeficiency diseases, HIV/AIDS, or other conditions affecting immune function.

Neurology is a medical specialty dedicated to the diagnosis and management of disorders impacting the nervous system, encompassing the brain, spinal cord, and peripheral nerves. This article addresses various conditions, including multiple sclerosis, Parkinson's disease, epilepsy, and stroke.

Pneumonic pertains to matters related to the lungs and the respiratory system. It encompasses the examination, diagnosis, and management of ailments that impact breathing and lung function, such as asthma, chronic obstructive pulmonary disease (COPD), and pneumonia.

Neonatology is a specialized branch of pediatrics that focuses on the care and treatment of newborns, particularly those who are ill or born prematurely. Neonatologists are pediatricians with advanced training in the management of newborns with complex medical conditions.