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ICD-9-CM is the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the United States. The ICD-9 was used to code and classify mortality data from death certificates until 1999,...
ICD-9-CM 453.40 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code?
Overview of CCS The Clinical Classifications Software (CCS) for ICD-9-CM is a diagnosis and procedure categorization scheme that can be employed in many types of projects analyzing data on diagnoses and procedures.
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
The Clinical Classifications Software (CCS) for ICD-9-CM is a diagnosis and procedure categorization scheme that can be employed in many types of projects analyzing data on diagnoses and procedures. CCS is based on the International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM), a uniform and standardized coding system. The ICD-9-CM's multitude of codes - over 14,000 diagnosis codes and 3,900 procedure codes - are collapsed into a smaller number of clinically meaningful categories that are sometimes more useful for presenting descriptive statistics than are individual ICD-9-CM codes.
CCS was formerly called the Clinical Classifications for Health Policy Research (CCHPR). The CCS now includes categories from the Clinical Classifications Software for Mental Health and Substance Abuse (CCS-MHSA). These categories replace the original CCS categories for mental health and substance abuse.
The HCUP CCS tool is used in the risk adjustment approach for CMS' readmission measures that are now part of the Hospital Readmissions Reduction Program (HRRP).
The Clinical Classifications Software (CCS) for ICD-9-CM is one in a family of databases and software tools developed as part of the Healthcare Cost and Utilization Project (HCUP) ,a Federal-State-Industry partnership sponsored by the Agency for Healthcare Research and Quality. HCUP databases, tools, and software inform decision making at the national, State, and community levels.
The CCS documentation describes the electronic translation files, provides warnings about ICD-9-CM coding changes over time, and summarizes how to use the files.
Note: : There are no new diagnosis or procedure codes for FY 2015.
The 2022 edition of ICD-10-CM I67.9 became effective on October 1, 2021.
A disorder resulting from inadequate blood flow in the vessels that supply the brain. Representative examples include cerebrovascular ischemia, cerebral embolism, and cerebral infarction. A spectrum of pathological conditions of impaired blood flow in the brain.