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hcup-us.ahrq.gov/db/nation/nis/nis_2003_stspecific_restr.jsp
January 01, 2003 - Confidentiality of Records
To meet California confidentiality requirements, admission month … Confidentiality of Records
Florida does not allow the release of admission month … In 2003, Florida did not supply admission month to HCUP.
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2008_Core.TXT
January 01, 2008 - 3 Num Age in years at admission
NEDS 2008 Core 2 AMONTH 2 Num Admission month
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hcup-us.ahrq.gov/reports/methods/TrendReport2005_1.pdf
March 19, 2004 - Care must be exercised when using the month variable. … The NIS contains admission month and
discharge year. … The analyst could also try to impute the discharge month from the combination of admission
month, discharge … of stay is under 30 days, it
would be reasonable to impute a discharge month of January. … Admission month AMONTH 1988-2002 Admission month coded from (1) January
to (12) December
FL
ASOURCE
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/1992-1988IPRECL.txt
January 01, 1992 - admission
3 AGEDAY 6 8 Num I:Age in days (when < 1 year)
4 AMONTH 9 10 Num I:Admission month
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2020_Core.TXT
January 01, 2020 - Num Age in years at admission
NEDS 2020 Core 2 AMONTH 2 Num Admission month
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hcup-us.ahrq.gov/db/vars/drg/nedsnote.jsp
May 01, 2015 - During the 1988-1997 HCUP data processing, a six-month window (three months before and three months after
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hcup-us.ahrq.gov/db/nation/nis/NIS_Sources_and_Restrictions_2000.pdf
January 01, 2000 - Administration
Confidentiality of Records
• In 2000, Florida did not supply AMONTH, admission month … In prior years, Florida requested that AMONTH,
admission month, be set to missing.
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hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2006_Core.Do
January 01, 2006 - age "Age in years at admission"
label var amonth "Admission month
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hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2006v2_Core.Do
April 12, 2010 - age "Age in years at admission"
label var amonth "Admission month
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hcup-us.ahrq.gov/db/nation/neds/pgms/StataLoad_NEDS_2007v2_Core.Do
April 12, 2010 - age "Age in years at admission"
label var amonth "Admission month
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hcup-us.ahrq.gov/db/vars/adaywk/nisnote.jsp
September 01, 2008 - variable ADAYWK is assigned using this data element and not from the admission date which only includes month
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hcup-us.ahrq.gov/db/vars/drg/nisnote.jsp
September 01, 2008 - During the 1988-1997 HCUP data processing, a six-month window (three months before and three months after
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2021_Core.TXT
January 01, 2021 - Num Age in years at admission
NEDS 2021 Core 2 AMONTH 2 Num Admission month
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2022_Core.TXT
January 01, 2022 - Num Age in years at admission
NEDS 2022 Core 2 AMONTH 2 Num Admission month
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hcup-us.ahrq.gov/db/nation/nis/2015HCUPNationalInpatientSample.pdf
September 28, 2022 - 2015HCUPNationalInpatientSample
2015 HEALTHCARE COST AND UTILIZATION PROJECT (HCUP)
NATIONAL INPATIENT SAMPLE: CHANGE IN STRUCTURE AND DATA
ELEMENTS CAUSED BY TRANSITION TO ICD-10-CM/PCS
Recommended Citation: Barrett ML. 2015 Healthcare Cost and Utilization Project
(HCUP) National Inpatient Sample: Change in St…
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2018_Core.TXT
January 01, 2018 - Num Age in years at admission
NEDS 2018 Core 2 AMONTH 2 Num Admission month
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2019_Core.TXT
January 01, 2019 - Num Age in years at admission
NEDS 2019 Core 2 AMONTH 2 Num Admission month
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hcup-us.ahrq.gov/db/vars/dxn/nedsnote.jsp
May 01, 2015 - algorithm was used to validate the diagnosis codes:
Check the five-digit code for validity (using a six-month … a zero, create a four-digit code by deleting the trailing zero and re-check for validity (using six-month … zero, create a three-digit code by deleting the trailing zero and re-check for validity (using six-month
-
hcup-us.ahrq.gov/toolssoftware/chronic_icd10/CCIR-User-Guide-v2025-1.pdf
November 01, 2024 - related to mental and behavioral health as a
chronic condition.10 In the DSM-5, chronic is defined by 12-month … Many DSM-5 diagnoses note a 3-month or 6-month
duration.
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hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_1997_CORE.txt
January 01, 1997 - Num I:Age in months (when < 11 years)
KID 1997 CORE 7 AMONTH 24 25 Num I:Admission month