-
hcup-us.ahrq.gov/db/vars/dxccsr_default_dx1/nassnote.jsp
August 01, 2019 - Healthcare Cost and Utilization Project (HCUP) NASS Notes
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQ…
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Sources_and_Restrictions_2001.pdf
January 01, 2001 - Administration
Confidentiality of Records
• Florida does not allow the release of admission month … In 2001, Florida did not supply AMONTH,
admission month to HCUP.
-
hcup-us.ahrq.gov/db/vars/age/kidnote.jsp
September 01, 2008 - Only birth month and year are provided. The day of birth was set to 15 for all records. … When only the year of birth is available, Iowa assigns the day and month of birth to '01', which may
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2018.jsp
January 01, 2018 - Discharge month for when the index event occurred, because there are limitations when using a calendar-year … That allows the month of December for 30 days of follow-up. 12 In contrast, defining index events … b The number of readmissions are 12-month counts calculated by multiplying the average readmission rate … by the 12-month index admission counts. … 3) $59,000-$78,999; and (4) $79,000 or more. 1
Readmission Specific
DMONTH
Discharge month
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2018.pdf
January 01, 2018 - That allows the month of December for 30 days of follow-up.12 In contrast, defining
index events using … b The number of readmissions are 12-month counts calculated by multiplying the average readmission rate … by the 12-
month index admission counts. … For information that pertains to day of admission (e.g., admission month,
admission source, NRD_DaysToEvent … $58,999; (3) $59,000–$78,999; and (4)
$79,000 or more.1
Readmission
Specific
DMONTH
Discharge month
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2017.jsp
January 01, 2017 - number of beds in the hospital
diagnosis-related group (DRG) for the hospital stay
admission month … location, teaching status, number of beds) and patient factors (diagnosis-related group, admission month … in the following order on patient-level "control" variables: encrypted hospital ID, DRG, admission month … Then, within each hospital, discharges are sorted by their DRG and their admission month. … AMONTH
Admission month coded from (1) January to (12) December
Transferred into hospital
-
hcup-us.ahrq.gov/toolssoftware/revisit/UserGuide-SuppRevisitFilesCD.pdf
October 01, 2024 - If the first event was prior to the clean period month, look for a clean
period on subsequent events … and last.visitLink) then _pat_w2Plus + 1;
** (3.a.i) first claim must be after "cleanPeriod" month
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2018.jsp
January 01, 2018 - number of beds in the hospital
diagnosis-related group (DRG) for the hospital stay
admission month … location, teaching status, number of beds) and patient factors (diagnosis-related group, admission month … in the following order on patient-level "control" variables: encrypted hospital ID, DRG, admission month … Then, within each hospital, discharges are sorted by their DRG and their admission month. … AMONTH
Admission month coded from (1) January to (12) December
Transferred into hospital
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2019.jsp
January 01, 2019 - number of beds in the hospital
diagnosis-related group (DRG) for the hospital stay
admission month … location, teaching status, number of beds) and patient factors (diagnosis-related group, admission month … in the following order on patient-level "control" variables: encrypted hospital ID, DRG, admission month … Then, within each hospital, discharges are sorted by their DRG and their admission month. … AMONTH
Admission month coded from (1) January to (12) December
Transferred into hospital
-
hcup-us.ahrq.gov/reports/trendtables/summarytrendtables.jsp
May 01, 2025 - State statistics are displayed by discharge month and national and regional statistics are displayed
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2010_Core_V2.TXT
January 01, 2010 - Disposition of patient (uniform)
NRD 2010 Core_V2 6 DMONTH 2 Num Discharge month
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2013_Core.TXT
January 01, 2013 - Num Disposition of patient (uniform)
NRD 2013 Core 6 DMONTH 2 Num Discharge month
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2016_Core.TXT
January 01, 2016 - (uniform)
NRD 2016 NRD_2016_Core 6 DMONTH 2 Num Discharge month
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2012_Core_V2.TXT
January 01, 2012 - Disposition of patient (uniform)
NRD 2012 Core_V2 6 DMONTH 2 Num Discharge month
-
hcup-us.ahrq.gov/db/nation/nrd/stats/FileSpecifications_NRD_2011_Core_V2.TXT
January 01, 2011 - Disposition of patient (uniform)
NRD 2011 Core_V2 6 DMONTH 2 Num Discharge month
-
hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2010_Core.Do
January 01, 2010 - age "Age in years at admission" ;
label var amonth "Admission month
-
hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2012_Core.Do
January 01, 2012 - age "Age in years at admission" ;
label var amonth "Admission month
-
hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2011_Core.Do
January 01, 2011 - age "Age in years at admission" ;
label var amonth "Admission month
-
hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2011v2_Core.Do
February 25, 2015 - age "Age in years at admission" ;
label var amonth "Admission month
-
hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2009_Core.Do
January 01, 2009 - age "Age in years at admission" ;
label var amonth "Admission month