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NIS Description of Data Elements
The NIS is set of longitudinal hospital inpatient databases included in the HCUP family. These databases are created by AHRQ through a Federal-State-Industry partnership.
 
NECODE - Number of ICD-9-CM External of Cause of Injury Codes on this Record
 
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes
 

NECODE indicates the total number of external cause of injury codes "E codes" (valid and invalid) that are included in the E code array (ECODEn)

In the HCUP State Databases, all E codes are retained on the record. In the NIS, only the first four E codes are retained on the record. Prior to the 2012 NIS, NECODE retained the number of E Codes on the corresponding SID record. Starting with the 2012 NIS, NECODE is set to a maximum of four.

For data beginning in the fourth quarter of 2015, the count of ICD-10-CM external cause of morbidity codes is stored in the data element I10_NECause.

 
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Uniform Values
VariableDescriptionValueValue Description
NECODENumber of ICD-9-CM External of Cause of Injury Codes on this RecordnnNumber of E codes
 
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State Specific Notes
None
 
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Internet Citation: HCUP NIS Description of Data Elements. Healthcare Cost and Utilization Project (HCUP). September 2008. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/vars/necode/nisnote.jsp.
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Last modified 9/17/08