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An itch (also known as pruritus) is a sensation that causes a strong desire or reflex to scratch. [1] Itches have resisted many attempts to be classified as any one type of sensory experience. Itches have many similarities to pain , and while both are unpleasant sensory experiences, their behavioral response patterns are different.
697.9 Lichen unspecified; 698 Pruritus and related conditions. 698.0 Pruritus ani; 698.1 Pruritus of genital organs; 698.2 Prurigo; 698.3 Lichenification and lichen simplex chronicus; 698.4 Dermatitis factitia; 698.9 Pruritus NOS
Pruritus ani is the irritation of the skin at the exit of the rectum, known as the anus, causing the desire to scratch. [1] The intensity of anal itching increases from moisture, [2] pressure, and rubbing caused by clothing and sitting. At worst, anal itching causes intolerable discomfort that often is accompanied by burning and soreness.
This is a shortened version of the sixteenth chapter of the ICD-9: Symptoms, Signs and Ill-defined Conditions. It covers ICD codes 780 to 799 . The full chapter can be found on pages 455 to 471 of Volume 1, which contains all (sub)categories of the ICD-9.
Pruritus, commonly known as itchiness, is a sensation exclusive to the skin, and characteristic of many skin conditions. Pages in category "Pruritic skin conditions" The following 26 pages are in this category, out of 26 total.
Typically, senile pruritus is diagnosed following an exclusion process starting with a complete physical exam. If a person is exhibiting signs and symptoms of senile pruritus, a laboratory exam may not be recommended by a doctor at the initial doctor's visit unless there are other indicators of an underlying disease.
[9] The dermis is the layer of skin between the epidermis and subcutaneous tissue, and comprises two sections, the papillary dermis and the reticular dermis . [ 10 ] The superficial papillary dermis interdigitates with the overlying rete ridges of the epidermis, between which the two layers interact through the basement membrane zone. [ 10 ]
Aquagenic pruritus is a skin condition characterized by the development of severe, intense, prickling-like epidermal itching without observable skin lesions and evoked by contact with water. [ 1 ] [ 2 ]