ICD-9-CM

ICD-9-CM is an abbreviation for the International Classification of Diseases, Ninth Revision, Clinical Modification. It is a system used in healthcare to code and classify morbidity data from the inpatient and outpatient records, physician offices, and most National Center for Health Statistics (NCHS) surveys.

Overview

The ICD-9-CM is based on the World Health Organization's Ninth Revision, International Classification of Diseases (ICD-9). The ICD-9-CM is used to code and classify morbidity data from the inpatient and outpatient records, physician offices, and most National Center for Health Statistics (NCHS) surveys. The ICD-9-CM is the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the United States.

Structure

The ICD-9-CM consists of:

• a tabular list containing a numerical list of the disease code numbers;
• an alphabetical index to the disease entries; and
• a classification system for surgical, diagnostic, and therapeutic procedures.

Usage

The ICD-9-CM is used to code and classify morbidity data from the inpatient and outpatient records, physician offices, and most National Center for Health Statistics (NCHS) surveys. The ICD-9-CM is the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the United States.

See also

• ICD-10
• ICD-10-CM
• ICD-10-PCS
• World Health Organization
• National Center for Health Statistics

ICD-9-CM Resources
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