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NRD Description of Data Elements

 
CM_LYTES - AHRQ comorbidity measure for ICD-9-CM codes: fluid and electrolyte disorders
 
Documentation Sections:
General Notes
Uniform Values
General Notes
 

Comorbidity measures are assigned using the AHRQ comorbidity software. The AHRQ comorbidity measures identify coexisting medical conditions that are not directly related to the principal diagnosis, or the main reason for admission, and are likely to have originated prior to the hospital stay. Comorbidities are identified using ICD-9-CM diagnoses and the Diagnosis Related Group (DRG) in effect on the discharge date. The prefix "CM_" has been added to the AHRQ comorbidity software data element names to distinguish the comorbidity measures from other HCUP data elements. For more information, please refer to the materials available on the Tools and Software page of the HCUP User Support Web site.

 
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Uniform Values
VariableDescriptionValueValue Description
CM_LYTESAHRQ comorbidity measure for ICD-9-CM codes: fluid and electrolyte disorders0Comorbidity is not present
1Comorbidity is present
.AInvalid
 
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Internet Citation: HCUP NRD Description of Data Elements. Healthcare Cost and Utilization Project (HCUP). August 2015. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/vars/cm_lytes/nrdnote.jsp.
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Last modified 8/26/15