Learn about airway remodeling associated with chronic asthma including increased fibrosis and mucus production.

Learn what clinical professional societies like the American College of Rheumatology recommend for managing this rheumatoid arthritis.

Learn what kind of changes are occurring in the lining of the esophagus when chronic gastroesophageal reflux is not controlled.

Uterine fibroids are more common than most people think. Diagnosis coding specificity often depends on the location of the fibroids (e.g., submucosal, intramural, subserosal, etc.).

Basal cell carcinoma is the most common form of skin cancer and is the most common cancer in the world.  Learn about common signs, symptoms, diagnosis and treatment.

Discover the basics about genetics and inheritance.  Some topics include DNA, chromosomes, autosomal recessive, autosomal dominant and co-dominance.

Review the basic building blocks and organizational levels of life including atoms, molecules, cells, tissues, organs and organ systems.

Millions of people are affected by chronic kidney disease and many do not know it.  Learn the pathophysiology and the significant medical conditions that can result from CKD.

Diabetes is one of the most common medical conditions you will encounter as a coder.  But severity and complications of diabetes can vary significantly from patient to patient.  Learn what makes one diabetic patient higher risk than another.

Hypertension is often referred to as the 'silent killer' because most often a patient does not experience symptoms.  But knowing how blood pressure affects the entire body is essential for understanding a myriad of medical conditions.

Lyme disease is the most common vector-borne disease in the United States and affects almost half a million people each year.  Learn the common course of the infection as well as complications that make medical decision making higher risk.

Multiple sclerosis results from damaged caused to neurons found in the central nervous system.  It can be a very difficult condition to initially diagnose.  Severity can also vary significantly from patient to patient which can affect the complexity of medical decision making.

CAD is the leading cause of death worldwide. It occurs when the buildup of plaque—a fatty material including cholesterol, connective tissue, white blood cells, and some smooth muscle cells—within the walls of the arteries obstructs the flow of blood and decreases the flexibility or compliance of the vessels.