-
hcup-us.ahrq.gov/reports/methods/2015-06.pdf
January 01, 2015 - A small percentage of nonexempt diagnoses (1.0
percent) had POA values expected on exempt diagnosis … More nonexempt principal diagnosis were
reported as present on admission (POA=Y) than secondary diagnoses … secondary diagnosis is in position three, and so on for a total of 30
diagnoses, excluding E Codes … Coding of POA on Nonexempt Diagnoses by Position
Position
of
Diagnosis
Total
number of
nonexempt … )
Nonexempt Secondary Diagnosis
(Excluding Maternal and Neonatal Diagnoses)
Total
number of
diagnoses
-
hcup-us.ahrq.gov/db/vars/ndx/nisnote.jsp
September 01, 2008 - diagnosis (DX1) is coded. … All secondary diagnoses are blank.
2
One secondary diagnosis (DX2) is coded. … The first listed diagnosis (DX1) may be coded or blank.
3
The second and third diagnoses (DX2 … States that provide fewer than 15 diagnoses have had the diagnosis vector padded with blank values. … Refer to the general note for the diagnosis fields (DXn) for the number of diagnoses provided in each
-
hcup-us.ahrq.gov/reports/statbriefs/sb191-Hospitalization-Mental-Substance-Use-Disorders-2012.pdf
January 01, 2012 - alone (i.e., without SUD diagnoses), SUD diagnoses alone (i.e., without
MH diagnoses), co-occurring … No M/SUD
diagnoses
MD
alone
SUD
alone
Co-occurring
M/SUD
All-listed M/SUD diagnosis ( … /SUD diagnoses each
accounted for approximately 17 percent of all stays with an MD or SUD diagnosis … Definitions
Diagnoses, ICD-9-CM, Clinical Classifications Software (CCS)
The first-listed diagnosis … All-listed diagnoses include the principal diagnosis plus these
additional secondary conditions.
-
hcup-us.ahrq.gov/reports/ataglance/HCUPanalysisSepsisTrendsUS.pdf
November 10, 2020 - This
analysis is focused on nonmaternal adults and, therefore, does not include diagnoses related to … The identification of sepsis changed diagnosis coding systems during the
study period. … from 2012 Q1-2015 Q3 and ICD-10-CM Diagnoses from 2015 Q4-2018 Q4
-
50,000
100,000
150,000 … from 2012 Q1-2015 Q3 and ICD-10-CM Diagnoses from 2015 Q4-2018 Q4
-
20,000
40,000
60,000 … from 2012 Q1-2015 Q3 and ICD-10-CM Diagnoses from 2015 Q4-2018 Q4
-
10,000
20,000
30,000
-
hcup-us.ahrq.gov/reports/statbriefs/sb191-Hospitalization-Mental-Substance-Use-Disorders-2012.jsp
June 01, 2015 - No M/SUD diagnoses
MD alone
SUD alone
Co-occurring M/SUD
All-listed M/SUD diagnosis (primary … SUD diagnoses each accounted for approximately 17 percent of all stays with an MD or SUD diagnosis. … for each diagnosis. … Definitions
Diagnoses, ICD-9-CM, Clinical Classifications Software (CCS)
The first-listed diagnosis … All-listed diagnoses include the principal diagnosis plus these additional secondary conditions.
-
hcup-us.ahrq.gov/reports/natstats/rn5.htm
November 01, 1998 - Descriptive Statistics by Insurance Status for Most Frequent Hospital Diagnoses and Procedures … Descriptive Statistics by Insurance Status for Most Frequent Hospital
Diagnoses and Procedures … Overview
This publication presents descriptive statistics by insurance status for the
top 50 diagnoses … Are there differences by payer status in resource utilization within
diagnosis and procedure categories … More Diagnosis-Procedure Information
Diagnosis and Procedure
Combinations in Hospital Inpatient Data
-
hcup-us.ahrq.gov/db/quality.pdf
January 31, 2025 - ICD-10-CM Diagnoses
EDX01
NO PRINCIPAL DIAGNOSIS CODED ON
THE RECORD
There is no principal diagnosis … Diagnoses
EDX01
NO PRINCIPAL DIAGNOSIS CODED ON
THE RECORD
There is no principal diagnosis ( … Diagnoses and Procedures
EDXPR01
MIXED MATERNAL AND NEONATAL
RECORD
Codes in the diagnosis vector … removed from the female diagnosis screen.
2000 Diagnoses 01660 to 01676, 05411 to 05412, 09815 to … procedures:
ICD-9-CM DIAGNOSIS AND PROCEDURE SCREENS
Maternal:
Neonate:
Male diagnoses:
Male procedures
-
hcup-us.ahrq.gov/db/vars/i10_dxn/nedsnote.jsp
May 10, 2015 - The HCUP data elements for ICD-10-CM diagnoses are length 7. … Starting at the first secondary diagnosis (I10_DX2), the diagnoses are shifted during HCUP processing … to eliminate blank secondary diagnoses. … The number of such diagnoses eliminated from the principal diagnosis position will be smaller than it … The following ICD-10-CM codes were modified:
Diagnosis Z33.2 was changed to Z31.9,
Diagnoses O04x
-
hcup-us.ahrq.gov/reports/methods/2011_03.pdf
January 01, 2011 - order but does not distinguish the importance of diagnoses by identifying a
"principal" diagnosis field … on the record
o Frequency of first-listed diagnosis (DX1)
o Frequency of secondary diagnoses (DX2- … Across all states, when the first-listed diagnosis is chronic, there are
no secondary diagnoses 42% … diagnosis (DX1) and all-listed diagnoses (DX), respectively, when there is
more than one diagnosis … When the first-listed diagnosis was chronic, there
were no secondary diagnoses 32% of the time.
-
hcup-us.ahrq.gov/db/vars/dxn/nrdnote.jsp
August 01, 2015 - position of the diagnosis vector. … Starting at the first secondary diagnosis (DX2), the diagnoses are shifted during HCUP processing to … eliminate blank secondary diagnoses. … Secondary diagnoses are never shifted into the first listed position (DX1). … The maximum number of diagnoses reported varies by state.
-
hcup-us.ahrq.gov/db/vars/i10_dxn/nrdnote.jsp
August 10, 2015 - In the HCUP inpatient databases, the first listed diagnosis is the principal diagnosis defined as the … first position of the diagnosis vector. … Starting at the first secondary diagnosis (I10_DX2), the diagnoses are shifted during HCUP processing … to eliminate blank secondary diagnoses. … If the diagnosis contains intermittent blank characters or is zero filled, then the diagnosis will be
-
hcup-us.ahrq.gov/db/vars/ndx/nedsnote.jsp
May 01, 2015 - there is a secondary diagnosis present (see table below). … diagnosis (DX1) is coded. … All secondary diagnoses are blank.
2
One secondary diagnosis (DX2) is coded. … The first listed diagnosis (DX1) may be coded or blank.
3
The second and third diagnoses (DX2 … The first listed diagnosis (DX1) may be coded or blank.
-
hcup-us.ahrq.gov/reports/statbriefs/sb38.pdf
October 01, 2007 - The IQI approach identified the admissions for the six diagnoses (based on ICD-9-CM principal diagnosis … six procedures (based on all-listed ICD-9-CM procedures except craniotomy, which was
based on the Diagnosis-Related … As part of the IQI risk-adjustment approach, All Patient Refined Diagnosis-Related Groups (APR-DRG) … There are about 12,000 ICD-9-CM diagnosis codes
and 3,500 procedure codes. … DRGs group patients according to diagnosis,
type of treatment (procedures), age, and other relevant
-
hcup-us.ahrq.gov/tools_software.jsp
July 01, 2025 - CM/PCS) codes
Clinical Classifications Software Refined (CCSR)
CCSR for ICD-10-CM Diagnoses … Groups diagnosis codes into over 530 clinical categories
CCSR for ICD-10-PCS … Elixhauser Comorbidity Software Refined for ICD-10-CM
Identifies secondary diagnoses … Modification (ICD-9-CM) codes
Clinical Classifications Software (CCS) for ICD-9-CM
Groups diagnosis … as chronic conditions
Elixhauser Comorbidity Software for ICD-9-CM
Identifies secondary diagnoses
-
hcup-us.ahrq.gov/db/vars/i10_ndx/nisnote.jsp
September 10, 2008 - as there is a secondary diagnosis present (see table below). … listed diagnosis (I10_DX1) is coded. … All secondary diagnoses are blank.
2
One secondary diagnosis (I10_DX2) is coded. … The first listed diagnosis (I10_DX1) may be coded or blank.
3
The second and third diagnoses … The first listed diagnosis (I10_DX1) may be coded or blank.
etc.
-
hcup-us.ahrq.gov/db/vars/i10_ndx/kidnote.jsp
September 10, 2008 - as there is a secondary diagnosis present (see table below). … listed diagnosis (I10_DX1) is coded. … All secondary diagnoses are blank.
2
One secondary diagnosis (I10_DX2) is coded. … The first listed diagnosis (I10_DX1) may be coded or blank.
3
The second and third diagnoses … The first listed diagnosis (I10_DX1) may be coded or blank.
etc.
-
hcup-us.ahrq.gov/db/vars/i10_ndx/nedsnote.jsp
May 10, 2015 - as there is a secondary diagnosis present (see table below). … listed diagnosis (I10_DX1) is coded. … All secondary diagnoses are blank.
2
One secondary diagnosis (I10_DX2) is coded. … The first listed diagnosis (I10_DX1) may be coded or blank.
3
The second and third diagnoses … The first listed diagnosis (I10_DX1) may be coded or blank.
etc.
-
hcup-us.ahrq.gov/db/vars/i10_ndx/nrdnote.jsp
August 10, 2015 - as there is a secondary diagnosis present (see table below). … listed diagnosis (I10_DX1) is coded. … All secondary diagnoses are blank.
2
One secondary diagnosis (I10_DX2) is coded. … The first listed diagnosis (I10_DX1) may be coded or blank.
3
The second and third diagnoses … The first listed diagnosis (I10_DX1) may be coded or blank.
etc.
-
hcup-us.ahrq.gov/db/vars/i10_dxn/nisnote.jsp
September 10, 2008 - In the HCUP inpatient databases, the first listed diagnosis is the principal diagnosis defined as the … Starting at the first secondary diagnosis (I10_DX2), the diagnoses are shifted during HCUP processing … to eliminate blank secondary diagnoses. … The number of such diagnoses eliminated from the principal diagnosis position will be smaller than it … The following ICD-10-CM codes were modified:
Diagnosis Z33.2 was changed to Z31.9,
Diagnoses O04x
-
hcup-us.ahrq.gov/db/vars/i10_dxn/kidnote.jsp
September 10, 2008 - In the HCUP inpatient databases, the first listed diagnosis is the principal diagnosis defined as the … Starting at the first secondary diagnosis (I10_DX2), the diagnoses are shifted during HCUP processing … to eliminate blank secondary diagnoses. … The number of such diagnoses eliminated from the principal diagnosis position will be smaller than it … The following ICD-10-CM codes were modified:
Diagnosis Z33.2 was changed to Z31.9,
Diagnoses O04x