Enlargement of lymph nodes. 1  Short description: Enlargement lymph nodes. 2  ICD-9-CM 785.6 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 785.6 should only be used for claims with a date of service on or before September 30, 2015.
Definition of hyperchromic effect. 1) an. increase in absorption intensity; if structural modification. leads to an increase in the molar extinction coefficient for a particular. chromophoric group it is said to have brought about a hyperchromic. effect.ncrease in absorption intensity; if structural modification. leads to an increase in the molar extinction coefficient for a particular. chromophoric group it is said to have brought about a hyperchromic. effect.
Hyperpigmentation is a condition that causes the skin to darken. It can occur in small patches or cover large areas of the body. It can also affect the entire body. Hyperpigmentation is usually not harmful.But it can be a symptom of another medical condition. They are related to excess sun exposure over time. 2  They generally appear as spots of hyperpigmentation on areas frequently exposed to the sun, such as the hands and face. 3  Post-inflammatory hyperpigmentation is a result of prior injury to the skin (American College of Osteopathic Dermatology).