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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.
 
ATYPE - Admission type
 
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes
 

ATYPE indicates the type of admission (emergency, urgent, elective, etc.). Newborn admission types are separated only if that information is available from the data source. No edit check comparing the admission type to diagnosis or procedure codes is performed.

Because it is infrequently available from data sources, the admission type of delivery (ATYPE=5) is discontinued beginning in the 1998 data. If available, deliveries are recoded under urgent (ATYPE=2).

 
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Uniform Values
 
VariableDescriptionValueValue Description
ATYPEAdmission type1Emergency
2Urgent
3Elective
4Newborn
5Delivery (coded in 1988-1997 data only)
5Trauma Center (beginning in 2003)
6Other
.Missing
.AInvalid
.BUnavailable from source (coded in 1988-1997 data only)
 
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State Specific Notes

Arizona

Arizona provides a source value "5" for admissions from "observation" status. During HCUP processing through 2002, the source category Observation was recoded to the HCUP category "Other" (ATYPE = 6). Beginning with 2003, the source category Observation was recoded to the HCUP category "Urgent" (ATYPE = 2).

Arizona does not separately classify deliveries. The source documentation supplied by Arizona does not indicate which source categories were used for deliveries.

Beginning in 2007, Arizona no longer provides a source value for "observation" status.



Arkansas

Arkansas does not separately classify deliveries. The source documentation supplied by Arkansas does not indicate which source categories were used for deliveries.



Colorado

Beginning in 2003, Colorado reports an admission type of "Trauma Center".

In 1995, Colorado began collecting admission type, but it was optional for hospitals to report this data to the hospital association.

Colorado does not separately classify deliveries. The source documentation supplied by Colorado does not indicate which source categories were used for deliveries. Beginning with 1998 data, the HCUP variable for admission type does not include a value for deliveries (ATYPE = 5).

Colorado
Valid beginning in 2017
IATYPE ATYPE
Value Description Value Description
Emergency Emergency 1 Emergency
Urgent Urgent 2 Urgent
Elective Elective 3 Elective
Newborn Newborn 4 Newborn
Trauma Trauma Center 5 Trauma Center
-- -- 6 Other
Unknown Missing . Missing
Blank
other Any undocumented values .A Invalid


District of Columbia
IATYPE ATYPE
Value Description Value Description
1 Emergency 1 Emergency
2 Urgent 2 Urgent
3 Elective 3 Elective
4 Newborn 4 Newborn
5 Trauma Center 5 Trauma Center
-- -- 6 Other
0 Chronic
9 Information not available . Missing
blank Unknown, Missing
other   .A Invalid


Florida

Florida does not separately classify deliveries. According to the documentation available from the source, most normal deliveries are categorized as urgent (ATYPE = 2), and most cesarean births and some normal deliveries are included under elective (ATYPE = 3).



Georgia

Georgia does not separately classify deliveries nor do they have a separate category for "Other." The source documentation available for Georgia does not describe which admission type(s) were used for these categories.



Hawaii

Hawaii does not separately classify deliveries nor do they have a separate category for "Other." The source documentation available for Hawaii does not describe which admission type(s) were used for these categories.



Iowa

Iowa does not separately classify deliveries. No documentation was available describing which admission type(s) were used for deliveries.



Kansas

Kansas does not separately classify deliveries. The source documentation available for Kansas does not indicate which code was used for deliveries.



Kentucky

Kentucky does not separately classify deliveries. The source documentation supplied by Kentucky does not indicate which source categories were used for deliveries.



Maine

Maine does not separately classify deliveries. The source documentation available for Maine does not describe which admission type(s) were used for deliveries.



Maryland
IATYPE ATYPE
Value Description Value Description
3 Emergency 1 Emergency
4 Urgent 2 Urgent
1 Delivery
5 Scheduled 3 Elective
2 Newborn 4 Newborn
    5 Trauma Center
6 Other 6 Other
0 Chronic (valid 2006-2013 and beginning 1/1/16)
7 Psychiatric
8 Rehab
9 Not available/Unknown . Missing
Missing  
Any other values that are not documented   .A Invalid

During HCUP processing of 1993 data, the source category "Rehabilitation" was erroneously recoded to the HCUP category "Invalid" (ATYPE = .A) instead of "Other" (ATYPE = 6). During HCUP processing for other years, the source category Rehabilitation was correctly recoded to the HCUP category "Other" (ATYPE=6).


Beginning in 1997, the source reported a separate category for "Psychiatric" admissions. These discharges are included under the uniform category "Other" (ATYPE = 6).


Beginning in 1998, an admission type of "Delivery" was recoded to "Urgent" (ATYPE = 2).



Massachusetts

Massachusetts does not separately classify deliveries. The source documentation supplied by Massachusetts does not indicate which source categories are used for deliveries.



Minnesota

Minnesota does not separately classify deliveries. The source documentation supplied by Minnesota does not indicate which source categories were used for deliveries.



Nebraska

The source value for Trauma Center (value 5) was recoded to Other (ATYPE=6) in 2002. Beginning in 2003, this source value was recoded to Trauma Center (ATYPE=5) for inpatient and outpatient data.

Nebraska does not separately classify deliveries. The source documentation supplied by Nebraska does not indicate which source categories were used for deliveries.



Nevada

Nevada reported a separate category for the following types of admissions:

  • Beginning with 2003 data:
    • Trauma was included under the uniform category "Trauma" (ATYPE = 5)
    • Semi-Urgent was included under the uniform category "Urgent" (ATYPE = 2)
  • IN the 2002 data:
    • Trauma was included under the uniform category "Emergency" (ATYPE = 1)
    • Semi-Urgent was included under the uniform category "Urgent" (ATYPE = 2)

Nevada does not separately classify deliveries. The source documentation supplied by Nevada does not indicate which source categories were used for deliveries.



New Jersey

New Jersey does not separately classify deliveries. No documentation was available describing which admission type(s) were used for deliveries.



New York

New York does not separately classify deliveries. No documentation was available describing which admission type(s) were used for deliveries.



North Carolina

North Carolina does not separately classify deliveries. The source documentation supplied by North Carolina does not indicate which source categories were used by deliveries.



Oregon

Oregon does not separately classify deliveries. No documentation was available about which admission type(s) were used for deliveries.

Beginning with 2003, the Oregon codes an admission type of trauma center.



Rhode Island

Rhode Island reported a separate category for "Court committal" admissions. These discharges were included under the uniform category "Other" (ATYPE=6). Rhode Island does not separately classify deliveries. The source documentation supplied by Rhode Island does not include which source categories were used for deliveries.



South Carolina

South Carolina does not separately classify deliveries. No documentation was available describing which admission type(s) were used for deliveries.



South Dakota

South Dakota does not separately classify deliveries. The source documentation supplied by South Dakota does not indicate which source categories were used for deliveries.



Utah

Utah does not separately classify deliveries nor do they have a separate category for "Other". The source documentation available for Utah does not describe which admission type(s) were used for these categories.



Vermont

Vermont does not necessarily classify deliveries. The source documentation supplied by Vermont does not indicate which source categories were used for deliveries.



Washington

Washington does not separately classify deliveries. No documentation was available about which admission type(s) were used for deliveries.

For 2003-2004, the source value for Trauma Center (value 5) was recoded to Other (ATYPE=6). Beginning with 2005, this source value was recoded to Trauma Center (ATYPE=5).



West Virginia

West Virginia does not separately classify deliveries. The source documentation supplied by West Virginia does not indicate which source categories were used for deliveries. Beginning with 1998 data, the HCUP variable for admission type does not include a value for deliveries (ATYPE = 5)



Wisconsin

Wisconsin does not separately classify deliveries. No documentation was available describing which admission type(s) were used for deliveries.


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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=atype.
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Last modified 8/12/08