-
hcup-us.ahrq.gov/reports/statbriefs/sb230-7-Day-Versus-30-Day-Readmissions.pdf
December 01, 2016 - Top 20 principal diagnoses with the highest 7-day and 30-day readmission rates, 2014
Principal diagnosis … The principal diagnosis is grouped using the Clinical Classification
Software (CCS). … This varied by the principal diagnosis at the index stay. … rates, but this diagnosis did not rank in the top five for 30-day readmissions. … Definitions
Diagnoses and Clinical Classifications Software (CCS)
The principal diagnosis is that
-
hcup-us.ahrq.gov/db/quality.jsp
April 01, 2022 - ICD-9-CM DIAGNOSIS AND PROCEDURE SCREENS
Maternal
Neonate
Male Diagnoses
Male … ICD-10-CM Diagnoses
EDX01
NO PRINCIPAL DIAGNOSIS CODED ON THE RECORD
There is no principal … diagnosis is invalid as a discharge diagnosis as indicated by the assignment of Diagnosis Related Group … 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
-
hcup-us.ahrq.gov/reports/statbriefs/sb230-7-Day-Versus-30-Day-Readmissions.jsp
October 01, 2017 - Readmission rates reported by diagnoses reflect the principal diagnosis at the index (i.e., initial) … The principal diagnosis is grouped using the Clinical Classification Software (CCS). … This varied by the principal diagnosis at the index stay. … rates, but this diagnosis did not rank in the top five for 30-day readmissions. … Definitions
Diagnoses and Clinical Classifications Software (CCS)
The principal diagnosis is
-
hcup-us.ahrq.gov/datainnovations/clinicaldata/MNPOAvideotranscript.pdf
September 24, 2010 - The letter “Y” indicates that the diagnosis was present at the time the
order to admit a patient was … In other words, the letter “N” indicates
that a diagnosis is a hospital‐acquired complication. … on admission and is included among a patient’s discharge diagnoses. … Next slide on screen: Coding Uncertain Diagnoses
6
Michael speaking:
Diagnoses documented … Therefore the coder was forced to
code this diagnosis as hospital‐acquired.
-
hcup-us.ahrq.gov/reports/statbriefs/sb162.pdf
March 01, 2013 - The principal diagnosis is the condition
primarily responsible for the patient’s admission. … A diagnosis of mood disorders, the only mental health
diagnosis on the list, was the sixth most common … Some of
the most frequent diagnoses were specific to individual payers; however, other diagnoses were … Definitions
Diagnoses, ICD-9-CM, and Clinical Classifications Software (CCS)
The principal diagnosis … There are approximately 14,000 ICD-9-CM diagnosis codes.
-
hcup-us.ahrq.gov/reports/statbriefs/sb202-Mental-Substance-Use-Teenagers.pdf
November 01, 2015 - MD and SUD diagnoses are based on any principal or
secondary (all-listed) diagnosis or external cause … stay
MD or SUD
diagnosis
No MD or
SUD
diagnoses
MD
alone
SUD
alone
Co-occurring
M/SUDs … SUD diagnoses. … teenagers by diagnosis, 2012
Diagnosis
Number of
stays (both
sexes)
Stays per 100,000
male … All-listed diagnoses include the principal diagnosis plus these
additional secondary conditions.
-
hcup-us.ahrq.gov/db/vars/ndx/kidnote.jsp
September 01, 2008 - 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/db/vars/ndx/nrdnote.jsp
August 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/toolssoftware/ccsr/DXCCSR-vs-Beta-CCS-Comparison.pdf
January 01, 2020 - The CCSR for ICD-10-CM diagnoses replaces the beta version of the CCS for ICD-10-CM diagnoses. … to the CCSR for ICD-10-CM
diagnoses by category and by individual diagnosis codes. … • Differences of more than 10 ICD-10-CM diagnosis codes within categories. … ICD-10-CM Diagnosis Codes
There are 35 beta version CCS categories with no difference in ICD-10-CM diagnosis … No Differences in ICD-10-CM Diagnosis Codes
Differences of Ten or Fewer Total ICD-10-CM Diagnosis
-
hcup-us.ahrq.gov/toolssoftware/ccs/ccsfactsheet.jsp
September 01, 2025 - , Clinical Modification (IDC-9-CM), which contains more than 14,000 diagnosis codes and 3,900 procedure … Single-level CCS
This system classifies all diagnoses and procedures into unique groups. … Examples of single-level CCS diagnosis categories are illustrated in Table 1.
Table 1. … Examples of single-level CCS diagnosis categories
98. … Examples of multi-level CCS diagnosis categories
7.
-
hcup-us.ahrq.gov/reports/statbriefs/sb202-Mental-Substance-Use-Teenagers.jsp
March 01, 2016 - MD and SUD diagnoses are based on any principal or secondary (all-listed) diagnosis or external cause … M/SUD-related stay
MD or SUD diagnosis
No MD or SUD diagnoses
MD alone
SUD alone
Co-occurring … teenagers by diagnosis, 2012
Diagnosis
Number of stays (both sexes)
Stays per 100,000 male … All-listed diagnoses include the principal diagnosis plus these additional secondary conditions. … MDCs assign ICD-9-CM principal diagnosis codes to one of 25 general diagnosis categories.
-
hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-User-Guide-v2019-1.pdf
September 01, 2019 - The Version 2019.1 release of the CCSR for ICD-10-CM diagnoses is based on ICD-10-CM
diagnosis codes … CM
diagnoses, and the CCS for ICD-9-CM diagnoses. … Beta Versions of the CCS
for ICD-10-CM Diagnoses CCS for ICD-9-CM Diagnoses
More than 70,000 ICD … diagnoses, or both types of diagnoses but does not retain the exact position of the
ICD-10-CM diagnosis … diagnosis on the input record
-
hcup-us.ahrq.gov/reports/factsandfigures/2008/pdfs/section2_1.pdf
January 01, 2008 - for
Inpatient Hospital Stays, 1997 and 2008
PRINCIPAL CCS DIAGNOSIS
NUMBER OF
DISCHARGES IN … Normal pregnancy and delivery stays declined by 49 percent and stays with a principal diagnosis of … Stays with a principal diagnosis of high blood pressure during pregnancy increased by 22 percent … CCS principal diagnoses:
The 10 most frequent principal diagnoses outside of pregnancy, childbirth … )
were not among the most frequent diagnoses in 1997.
-
hcup-us.ahrq.gov/db/nation/nis/2015HCUPNationalInpatientSample.pdf
September 28, 2022 - Names of Data Elements Based on Diagnoses and Procedure Codes in the Disease
Severity Measures Files … derived from diagnoses and
procedures, have been moved out of the Core File and into the Diagnosis and … such as Diagnosis Related
Groups (DRGs), Clinical Classification Software (CCS) categories for diagnoses … File
Data Elements based on Diagnoses Only
Diagnoses DX1-DX30 I10_DX1-I10_DX30
Number of diagnoses … NDX I10_NDX
Diagnosis version DXVER DXVER
CCS for diagnoses DXCCS1-DXCCS30 Not availableb
MCC for
-
hcup-us.ahrq.gov/reports/statbriefs/sb162.jsp
September 01, 2013 - The principal diagnosis is the condition primarily responsible for the patient's admission. … A diagnosis of mood disorders, the only mental health diagnosis on the list, was the sixth most common … A diagnosis of mood disorders was the most common reason for hospitalization among children aged 1–17 … Some of the most frequent diagnoses were specific to individual payers; however, other diagnoses were … There are approximately 14,000 ICD-9-CM diagnosis codes.
-
hcup-us.ahrq.gov/reports/statbriefs/sb257-ED-Costs-Mental-Substance-Use-Disorders-2017.pdf
January 01, 2017 - Diagnoses. … of
MSUD diagnosis. … Diagnoses. … -CM Diagnoses
For emergency department (ED) visits that are treated and released, the first-listed diagnosis … All-listed diagnoses include the first-listed (principal) diagnosis
plus the secondary conditions.
-
hcup-us.ahrq.gov/reports/factsandfigures/2009/pdfs/FF_2009_section2.pdf
January 01, 2009 - Statistics on Hospital-Based Care in the United States, 2009 22
SECTION 2 INPATIENT HOSPITAL STAYS BY DIAGNOSIS … Liveborn (newborn infant) (4.2 million stays) was the most common diagnosis and accounted for more … ) were
not among the most frequent diagnoses in 1997. … )
were not among the most frequent diagnoses in 1997. … Pneumonia (643,000 Medicare stays in 2009) was the second most common diagnosis.
-
hcup-us.ahrq.gov/reports/natstats/94drgb.htm
September 01, 1997 - HCUP-3 Nationwide Inpatient Sample for 1994: Diagnosis-Related Groups
Statistics from the … Nationwide Inpatient Sample
for 1994 Hospital Inpatient Stays (continued)
Diagnosis-related … 373 Vaginal delivery w/o 2,488,532 7.19 1.67 3,094
complicating diagnoses … 424 OR procedures w/ 9,305 0.03 20.48 21,417
principal diagnoses … diagnosis
470 Ungroupable 46,257 0.13 5.47 14,761
471
-
hcup-us.ahrq.gov/db/nation/nass/nassknowndataissue_2021.jsp
January 01, 2021 - Data Issue
The 2021 NASS includes a maximum of 25 diagnosis codes. … The
assignment of comorbidity and diagnosis CCSR data elements used only
20 of the possible 25 … diagnosis codes. … Correction of the Affected Records
There are 113,560 records in the 2021 NASS with more than 20
diagnosis … To be affected, a record needed to have more than 20
diagnoses reported and have a diagnosis that
-
hcup-us.ahrq.gov/db/vars/dxn/nedsnote.jsp
May 01, 2015 - Starting at the first secondary diagnosis (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 … than 30 diagnoses. … Beginning Q4 2015, the following codes were modified:
Diagnosis Z33.2 was changed to Z31.9,
Diagnoses