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ICD-9-CM Official Guidelines for Coding and Reporting . Effective October 1, 2011 . Narrative changes appear in bold text . Items underlined have been moved within the guidelines since October 1, 2010 . The Centers for Medicare and Medicaid Services (CMS) and the National Center for Health Statistics (NCHS), two departments within the U.S. Federal Government’s …
FAQ icd 9 coding guidelines
What does ICD-9 stand for?
The International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) is based on the World Health Organization’s Ninth Revision, International Classification of Diseases (ICD-9). ICD-9-CM is the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the United States.
What is the difference between ICD 9 and ICD 10?
The ICD-9 was used to code and classify mortality data from death certificates until 1999, when use of ICD-10 for mortality coding started. The ICD-9-CM consists of: a tabular list containing a numerical list of the disease code numbers in tabular form; an alphabetical index to the disease entries; and
What is an ICD 9 code with 3 digits?
ICD-9-CM diagnosis codes are composed of codes with 3, 4, or 5 digits. Codes with three digits are included in ICD-9-CM as the heading of a category of codes that may be further subdivided by the use of fourth and/or fifth digits, which provide greater detail.
What is the ICD-9-CM used for?
The ICD-9 was used to code and classify mortality data from death certificates until 1999, when use of ICD-10 for mortality coding started. The ICD-9-CM consists of:
ICD-9-CM General Coding Guidelines for Procedures
ICD 9 Coding Tutorial — Late Effect Guidelines
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