Supplementary Classification of Factors Influencing Health Status and Contract with Health Services(V Codes)
are supplementary classification codes used to identify health care encounters that occur for reasons other than illness or injury or to identify patients whose illness is influenced by special circunstances or problems
Supplementary Classification of Factors Influencing Health Status and Contract with Health Services( E Codes)
supplementary classification codes used to describe the reason or external cause of injury, poisoning and other adverse effects.
are the main division in the ICD-9-CM; they are divided into sections Endocrine, Nutritional, and Metablic Diseases, and Immunity Disoreders (240-279)
are composed of a group of three-digit categories representing a group of conditions or related conditions, they are divided into categories
are composed of 3-digit codes representing a single disease or condition.
provided a four-digit code(one digit after the decimal point)
provides a 5-digit code which gives highest specificity of description to a condition
alphabetic index Volume2
the main term in the index may be followed by terms within parenthesis.
indented two spaces to the right below the main term
found in the index under the main term"Hypertension " it contains a list of conditions that are due to or associated with bypertension.
an accelerated, severe form of hypertension with vascular damage and a diastolic pressure of 130 mmHG OR GREATER
Mild or controlled hypertension and no damage to the vascular system or organs
this is not specified as benign or maligant in the diagnosis or medical record