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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.
 
ADRGSEV - All Patient Refined DRG Complexity Subclass
 
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes
 

The All Patient Refined DRG Complexity Subclass (ADRGSEV) reports the complexity subclass for the All Patient Refined DRGs (APR-DRGs). This is an indicator of the extent of physiologic decompensation or organ system loss of function. With the exception of newborn patients, each APR-DRG is subdivided into four complexity subclasses. Newborn DRGs have a complexity code of zero (0). Assignment to a complexity subclass is based, in part, on the complexity of a patient's secondary diagnoses, interactions among secondary diagnoses, age, principal diagnosis, and the presence of certain nonoperating room procedures.

APR-DRG complexity subclass codes are supplied by the data source. During HCUP processing, the codes are assigned as reported, without modification.

For more information see "All Patient Refined Diagnosis Related Groups (APR-DRGs)," published by 3M Health Information Services.

 
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Uniform Values
 
VariableDescriptionValueValue Description
ADRGSEVAll Patient Refined DRG Complexity Subclass0Newborn DRGs
1Minor loss of function (includes cases with no comorbidity or complications)
2Moderate loss of function
3Major loss of function
4Extreme loss of function
.Missing
.AInvalid
 
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State Specific Notes

Massachusetts

Beginning in 2009, Massachusetts provides the Version 26.1 grouper to assign ADRGSEV.

Beginning in October 2008, Massachusetts no longer provided the Version 20 grouper to assign ADRGSEV.

Beginning in October 2006, Massachusetts used the Version 20 grouper to assign ADRGSEV.



Minnesota

Source documentation does not include which version of the APR-DRG grouper was used.


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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=adrgsev.
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Last modified 8/12/08