Best practices for interpretation and management of common laboratory abnormalities in dermatology. Part II. Complete blood count and infectious diseases.

Part II of this article builds on the concepts discussed in Part I, focusing on the interpretation and management of additional laboratory tests commonly encountered in dermatologic practice. This section covers the complete blood count, tuberculosis testing, hepatitis serologies, and human immunodeficiency virus serologies. It highlights the importance of understanding these tests' results and their implications for patient care. The article provides guidance on when to refer patients to specialists based on abnormal findings and how to assess whether a laboratory result indicates a medical emergency.