Eumelanin is brown or black color pigment and protects the skin from absorbing the harmful UV rays. People with darker skin tones have more of Eumelanin.This is the reason melanin pigments are called as photo-protectants which means a substance that can provide protection from the harmful sun rays.
Medial branch block is a relatively simple diagnostic procedure that Dr. Franiak may recommend. The facet. joints are the little joints along the spine where two vertebrae meet. If there is arthritis or degeneration along those. joints, the doctor may be suspicious that some or all of your pain is coming from those joints.
January 4, 2013 3:40 PM â¢ Coding and Billing â¢ No Comments. In the fourth quarter AHA Coding Clinic for ICD-9-CM the reporting of the principal procedure is clarified. Prior to this coding clinic the definition of the principal procedure was ambiguous and open to interpretation. The reason why this is important is because the assignment of the correct principal procedure can affect the DRG that is assigned. This in turn can affect the reimbursement that is provided. This coding clinic provides the following four instructions for the selection of the principal procedure. 1  Procedure performed for definitive treatment of both principal diagnosis and secondary diagnosis. 2  Sequence procedure performed for definitive treatment most related to principal diagnosis as principal procedure.