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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.
 
AMDC - All Patient Refined MDC
 
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes
 

All Patient Refined MDC (AMDC) reports the MDC as determined by the APR system. The AMDC is supplied by the data source. During HCUP processing, the codes are assigned to the HCUP data element AMDC 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
AMDCAll Patient Refined MDCnnAPR MDC value
. or 0Missing
.AInvalid
 
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State Specific Notes

Maine

For Maine only, the ADRG and AMDC data elements contain the 3M All Patient DRG and MDC rather than the 3M All Patient Refined DRG and MDC. Source documentation indicates that the current version of the All Patient DRG (ADRG) is applied to the data.



Massachusetts

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

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

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



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=amdc.
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Last modified 8/12/08