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Central Distributor SID: Description of Data Elements
This section describes how HCUP data elements are coded, restrictions on their use, their uniform values, and State-specific coding practices.
 
CHRONBn - Chronic Condition Indicators - body system
 
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes
 

The Chronic Condition Indicator provides an easy way for users to categorize ICD-9-CM diagnosis codes into one of two categories: chronic or not chronic. In addition, the tool groups all diagnoses into body systems so that users can create indicators listing which specific body systems are affected by a chronic condition. The body system indicator is based upon the chapters of the ICD-9-CM codebook. More information on the Chronic Condition Indicators is available under Tools & Software on the HCUP-US website.

 
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Uniform Values
 
VariableDescriptionValueValue Description
CHRONBnChronic Condition Indicators - body system11 = Infectious and parasitic disease
22 = Neoplasms
33 = Endocrine, nutritional, and metabolic diseases and immunity disorders
44 = Diseases of blood and blood-forming organs
55 = Mental disorders
66 = Diseases of the nervous system and sense organs
77 = Diseases of the circulatory system
88 = Diseases of the respiratory system
99 = Diseases of the digestive system
1010 = Diseases of the genitourinary System
1111 = Complications of pregnancy, childbirth, and the puerperium
1212 = Diseases of the skin and subcutaneous tissue
1313 = Diseases of the musculoskeletal system
1414 = Congenital anomalies
1515 = Certain conditions originating in the perinatal period
1616 = Symptoms, signs, and ill-defined conditions
1717 = Injury and poisoning
1818 = Factors influencing health status and contact with health services
.Missing
.AInvalid
.CInconsistent
 
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State Specific Notes

None

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Internet Citation: HCUP Central Distributor SID Description of Data Elements - All States. Healthcare Cost and Utilization Project (HCUP). August 2008. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/vars/siddistnote.jsp?var=chronbn.
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Last modified 8/12/08