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141. Missed serious neurologic conditions in emergency department patients discharged with nonspecific diagnoses of headache or back pain. | PSNet
     psnet.ahrq.gov/issue/missed-serious-neurologic-conditions-emergency-department-patients-discharged-nonspecific
     April 08, 2018 - Missed serious neurologic conditions in emergency department patients discharged with nonspecific diagnoses … Missed Serious Neurologic Conditions in Emergency Department Patients Discharged With Nonspecific Diagnoses … to a national level, this translates to over 55,000 patients with adverse outcomes due to a missed diagnosis … December 15, 2014 Effect of genetic diagnosis on patients with previously undiagnosed … April 3, 2019 Comparative accuracy of diagnosis by collective intelligence of multiple

142. Issue Brief 9: Improved Diagnostic Accuracy Through Probability-Based Diagnosis (pdf file)
     www.ahrq.gov/sites/default/files/wysiwyg/patient-safety/reports/issue-briefs/dxsafety-probabilistic-thinking.pdf
     September 01, 2022 - Understanding probability and managing related uncertainty are vital for making accurate, timely diagnoses … When diagnoses are expressed as possible and uncertainty is recognized, the chance of misdiagnosis and … It shows the centrality of probabilistic understanding to making diagnoses at each of the following … The chosen tests may relate to the most likely diagnosis or the most concerning diagnosis, depending … for trainees occur in the context of generating differential diagnoses.23 These discussions do not

143. Autopsy as a quality control measure for radiology, and vice versa. | PSNet
     psnet.ahrq.gov/issue/autopsy-quality-control-measure-radiology-and-vice-versa
     April 24, 2018 - To assess the accuracy of both radiologic and pathologic diagnoses, this study directly compared diagnoses … on imaging tests, as well as cases where the premortem radiologic diagnosis proved to be incorrect at … An autopsy diagnosis that was missed on an initial radiograph is discussed in this AHRQ WebM&M commentary … February 9, 2011 Delayed or missed diagnosis of cervical spine injuries. … October 20, 2010 Characteristics and predictors of missed opportunities in lung cancer diagnosis

144. Evaluation and accurate diagnoses of pediatric diseases using artificial intelligence. | PSNet
     psnet.ahrq.gov/issue/evaluation-and-accurate-diagnoses-pediatric-diseases-using-artificial-intelligence
     April 15, 2020 - Study Classic Evaluation and accurate diagnoses of pediatric … Evaluation and accurate diagnoses of pediatric diseases using artificial intelligence. … Evaluation and accurate diagnoses of pediatric diseases using artificial intelligence. … , 2019 View More Related Resources Accuracy of computer-aided diagnosis

145. Psn-Pdf (pdf file)
     psnet.ahrq.gov/node/60188/psn-pdf
     January 01, 2021 - Uncertain diagnoses in a children's hospital: patient characteristics and outcomes. … Uncertain diagnoses in a children’s hospital: patient characteristics and outcomes. … Diagnosis. 2021;8(3):353-357. doi:10.1515/dx-2019-0058. … https://psnet.ahrq.gov/issue/uncertain-diagnoses-childrens-hospital-patient-characteristics-and-outcomes … The authors suggest that better methods to prospectively identify patients with an ‘uncertain diagnosis

146. Healthcare Cost and Utilization Project (HCUP) NEDS Notes
     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

147. Psn-Pdf (pdf file)
     psnet.ahrq.gov/node/47989/psn-pdf
     August 14, 2019 - Ambulatory safety nets to reduce missed and delayed diagnoses of cancer. … Ambulatory Safety Nets to Reduce Missed and Delayed Diagnoses of Cancer. … https://psnet.ahrq.gov/issue/ambulatory-safety-nets-reduce-missed-and-delayed-diagnoses-cancer Health … //psnet.ahrq.gov/issue/missed-opportunities-initiate-endoscopic-evaluation-colorectal-cancer-diagnosis … https://psnet.ahrq.gov/issue/characteristics-and-predictors-missed-opportunities-lung-cancer-diagnosis-electronic-health

148. MAINTAIN AND EXPAND (pdf file)
     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.

149. Healthcare Cost and Utilization Project (HCUP) NRD Notes
     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.

150. Healthcare Cost and Utilization Project (HCUP) NRD Notes
     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

151. Psn-Pdf (pdf file)
     psnet.ahrq.gov/node/46514/psn-pdf
     October 18, 2017 - Comparison of clinical diagnoses and autopsy findings: six-year retrospective study. … Comparison of clinical diagnoses and autopsy findings: six-year retrospective study. … - study Prior studies have demonstrated that autopsies can detect missed diagnosis. … These results underscore the need to perform autopsies in order to improve diagnosis, as recommended … https://psnet.ahrq.gov/issue/improving-diagnosis-health-care

152. HCUP Statistical Brief #38: Trends in Hospital Risk-Adjusted Mortality for Select Diagnoses and Procedures, 1994-2004 (pdf file)
     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

153. Psn-Pdf (pdf file)
     psnet.ahrq.gov/node/37400/psn-pdf
     June 30, 2011 - Errors in cancer diagnosis: current understanding and future directions. … Errors in cancer diagnosis: current understanding and future directions. … https://psnet.ahrq.gov/issue/errors-cancer-diagnosis-current-understanding-and-future-directions Missed … Five domains were identified that contribute to preventable delays in diagnosis, ranging from system … https://psnet.ahrq.gov/issue/errors-cancer-diagnosis-current-understanding-and-future-directions https

154. Healthcare Cost and Utilization Project (HCUP) NEDS Notes
     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.  

155. Methods To Estimate the Baseline 2010 PFP National Hospital-Acquired Condition Rate (pdf file)
     www.ahrq.gov/sites/default/files/wysiwyg/professionals/quality-patient-safety/pfp/pfphac.pdf
     September 01, 2014 - in the Surgical Care Improvement Project (SCIP) (major surgery) sample, and those with a principal diagnosis … Only: AMI, HF, Pneumonia, & SCIP (CY 2005-2006 Combined) Ratio (Calculated as All Diagnoses … , rather than being restricted to the four diagnoses that were included in the 2010 IQR sample. … for the four diagnoses. … other than those in the four diagnosis groups present in the 2010-2011 IQR sample.

156. Research Tools
     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

157. Psn-Pdf (pdf file)
     psnet.ahrq.gov/node/41454/psn-pdf
     October 23, 2012 - Cognitive errors and logistical breakdowns contributing to missed and delayed diagnoses of breast and … Cognitive errors and logistical breakdowns contributing to missed and delayed diagnoses of breast and … This study analyzed 56 missed or delayed cancer diagnoses and found that virtually all cases involved … https://psnet.ahrq.gov/issue/errors-cancer-diagnosis-current-understanding-and-future-directions https … ://psnet.ahrq.gov/issue/how-can-we-make-diagnosis-safer https://psnet.ahrq.gov/issue/missing-clinical-information-during-primary-care-visits

158. HCUPnet Glossary – HCUPnet Data Tools
     datatools.ahrq.gov/hcupnet/glossary/
     January 01, 2022 - All-listed diagnoses – Include the first-listed or principal diagnosis plus additional conditions that … The CCSR for ICD-10-CM diagnoses aggregates more than 70,000 ICD-10-CM diagnosis codes into over 530 … ICD-10-CM contains more than 70,000 diagnosis codes, and each medical event can have multiple diagnoses … You can also examine the secondary diagnoses associated with that principal diagnosis, for example, “ … – Additional diagnoses that appear on the discharge record with the first-listed or principal diagnosis

159. Healthcare Cost and Utilization Project (HCUP) NRD Notes
     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.    

160. Healthcare Cost and Utilization Project (HCUP) NIS Notes
     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.