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Hypertension table A list of conditions that are due to or associated with hypertension.the conditions are classified as malignant, benign, or unspecified Neoplasm table Is located in the index and is organized by anatomic site. Each site has 6 columns with 6 possible codes the right code depends on whether you are dealing with primary malignancy, secondary malignancy, carcinoma (CA) in situ, benign, uncertain behavior, or unspecified nature. nonessential modifiers Terms in parenthesis thats presence or absence has no effect on the code. essential modifiers Subterms, terms indented two spaces to the right below the main term.Their presence has a bearing on the right code so they are? Chapters the main divisions in the ICD-9CM. In the tabular list ( volume 1 ) there are 17 and they are based on either body system or cause or type of disease. Sections Composed of a group of three-digit categories representing a group of conditions or related conditions. Categories Composed of three-digit codes representing a single disease or condition. The three-digit code is used only if it is not further subdivided. There are about a 100 of these codes. subcategories Provide a 4 digit code ( one after the decimal point ) which is more specific then a category code in terms of cause, site, or manifestation of the condition. This must be used if available. subclassification Provides a five digit code which gives the highest specificity of description to a condition. Use of it is mandatory if it is available. ICD 9 CM International Classification of Diseases, 9th Revision, Clinical Modification Volume 1 Disease: Tabular list. Contains the disease and condition codes and the descriptions also contains the V codes and E codes Volume 2 Diseases: Alphabetic Index. This is the alphabetic index of volume 1 and contains table of drugs and chemicals and index of external causes of injury ( E codes ) Volume 3 Procedures: Tabular list and Alphabetic index. Contains codes for surgical, therapeutic, and diagnostic procedures; used primarily by hospitals. V codes Supplementary classification of factors influencing health status and contact with health services. E codes Supplementary classification of external cause of injury and poisoning. ICD update This happens every year usually in october. NEC Used in both volume 1 and 2.To be used only when the information at hand specifies a condition but there is no specific separate code for that condition in the coding manual. NOS Used in volume 1 the tabular list and is equivalent of unspecified. Brackets Used to enclose synonyms, alternative wording, or explanatory phrase. Found in the tabular list and the index. colon Used in the tabular list after an incomplete term that needs one or more of the modifiers that follow in order to make it assignable to a given category. Brace Used to enclose a series of terms, each of which is modified by the statement appearing at the right of the. lozenge This symbol is printed in the left margin preceding the disease code to denote a four digit number unique to the ICD -9- CM manual.Only found in volume 1 the tabular list. section mark Indicates the footnote is located at the bottom of the page. Found in the tabular list. bold type Used for all codes and titles in the tabular list in volume 1. slanted brackets Used to close the manifestation of the underlying condition. When a code is listed inside the ? , you must sequence that code after the underlying condition code. Italicized type Used for all exclusion notes and to identify those codes that are not usually sequenced as the first-listed diagnosis. These types of codes cannot be assigned as a principal diagnosis because they always follow another code. Includes Notes found in the tabular list they further define or provide examples can apply to the chapter, section or category. Excludes notes that appear in the tabular list volume 1 and indicate terms that are to be code elsewhere. These can be located in the beginning of a chapter or section or below a category and can be used for three reasons. 1 The condition may have to be coded elsewhere. 2 The code cannot be assigned if the associated condition is present. 3 Additional codes may be required to fully explain the condition. additional codes To provide a more complete picture of the diagnosis or procedure. The use of an _ _ is mandatory if supporting physician documentation is found in the record. code, if applicable, any causal condition A code with this note may be the principal diagnosis if no causal condition is applicable or known. code first underlying disease The phrase "_ _ _ _" is used in the categories in the tabular list, volume 1 and is not intended to indicate the principal diagnosis. In such cases, the code, title, and instructions appear in italics. The note requires that the underlying disease (etiology) be sequenced first. see The _ cross reference is an explicit direction to look elsewhere. see also The _ _ cross reference directs you to look under another main term if all the information being searched for cannot be located under the first main term entry. see category The _ _ cross reference directs you to volume 1, tabular list for important information governing the use of the specific code. notes Certain main terms are followed by _ that are used to define terms and give coding instructions. and means and/or with Indicates that two conditions are included in the code and both conditions must be present.