CCS-Ps are coding practitioners who: 1  Specialize in physician-based settings such as physician offices, group practices, multi-specialty clinics, or specialty centers. 2  Review patient records and assign numeric codes for each diagnosis and procedure.
For the endothelium of the cornea, see corneal endothelium. Endothelium is a type of epithelium that lines the interior surface of blood vessels and lymphatic vessels, forming an interface between circulating blood or lymph in the lumen and the rest of the vessel wall.It is a thin layer of simple squamous cells called endothelial cells.hese functions include fluid filtration, such as in the glomeruli of the kidney, blood vessel tone, hemostasis, neutrophil recruitment, and hormone trafficking. Endothelium of the interior surfaces of the heart chambers is called endocardium.
Endothelium is present in all blood vessels. As one progresses through circulatory system, the walls of arteries become smaller. As vessels become smaller in diameter, size of connective tissue layer and smooth muscle. decrease. Also, the function of walls changes: Large, elastic -> recoil and maintain pressure.