At present, the tenth edition of the International Statistical Classification of Diseases and Related Health Problems is widely used worldwide, and WHO still retains the abbreviation of ICD, commonly known as ICD- 10. It has 22 chapters, and each chapter is divided into sections and subsections.
ICD classification principle is based on four main characteristics of diseases, namely, etiology, location, pathology and clinical manifestations (including symptoms, signs, stages, types, gender, age, acute and chronic diseases, onset time, etc.). ). I
CD- 10 adopts 3-digit code number to determine the core classification, and adopts alphanumeric code form (A00.0-Z99.9):
English+number+number+decimal point+number. Such as S82.0 1. Among them, the first three codes generally refer to ICD codes, representing categories; The first four digits are sub-order codes; The first five-digit code represents the details. S02 skull and facial bone fracture (category), S02.0 skull vault fracture (subcategory), s02.05438+0.
Open fracture of skull vault (details).
ICD 9
CM is a surgical code, which is in the form of all-digital coding, and there are three terms: category, suborder and detail, among which the first two represent categories, the former Theory of Three Represents suborder and the first four represent details. Except for a few people who have no detailed items, they can be coded as suborder, and other codes should be coded as details, such as: Class 07, other endocrine gland operations; 07.0 suborder, exploration of adrenal region; 07.00 Details, NOS for adrenal exploration
In addition, the ICD used by China is modified according to its actual needs, such as expanding the third digit to 2 digits. Please pay attention to the coding instructions!