ICD-10-CM Conversion

Curated list of documents supporting the transition from ICD-9-CM to ICD-10-CM/PCS.

For more information about the project, visit the project description page on healthsurveillance.org.

October 30, 2017

Evaluation of DoD Syndrome Mapping and Baseline for ICD-9-CM to ICD-10-CM Transition

The Department of Defense conducts syndromic surveillance of health encounter visits of Military Health System (MHS) beneficiaries. Providers within the MHS assign up to 10 diagnosis codes to each health encounter visit. The diagnosis codes are grouped into syndrome and sub-syndrome categories. On October 1, 2015, the Health and Human Services-mandated transition from ICD- 9-CM to ICD-10-CM required evaluation of the syndrome mappings to establish a baseline of syndrome rates within the DoD. The DoD data within the BioSense system currently utilizes DoD ESSENCE syndrome mappings.

June 11, 2017

Firearm Injury Encounters in the Veterans Health Administration (VHA), 2010-2015

Firearm violence is an issue of public health concern leading to more than 30,000 deaths and 80,000 nonfatal injuries in the United States annually. To date, firearm-related studies among Veterans have focused primarily on suicide and attempted suicide. Herein, we examine firearm violence among VHA enrollees for all manners/ intents, including assault, unintentional, self-inflicted, undetermined and other firearm-related injury encounters in both the inpatient and outpatient settings. 

June 19, 2017

Identification of Sufferers of Rare Diseases Using Medical Claims Data

Patients who suffer from rare diseases can be hard to diagnose for prolonged periods of time. In the process, they are often subjected to tentative treatments for ailments they do not have, risking an escalation of their actual condition and side effects from therapies they do not need. An early and accurate detection of these cases would enable follow-ups for precise diagnoses, mitigating the costs of unnecessary care and improving patients’ outcomes. 


July 06, 2017

ICD-9 code reporting among patients from the Minnesota SARI surveillance program

The ICD-9 codes for acute respiratory illness (ARI) and pneumonia/influenza (P&I) are commonly used in ARI surveillance; however, few studies evaluate the accuracy of these codes or the importance of ICD-9 position. We reviewed ICD-9 codes reported among patients identified through severe acute respiratory infection (SARI) surveillance to compare medical record documentation with medical coding and evaluated ICD-9 codes assigned to patients with influenza detections. 

July 06, 2017

Monitoring child mental health related emergency department visits in New York City

From 2001-2011, mental health-related hospitalizations and ED visits increased among United States children nationwide. During this period, mental health-related hospitalizations among NYC children increased nearly 23%. To estimate mental health-related ED visits in NYC and assess the use of syndromic surveillance chief complaint data to monitor these visits, we compared trends from a near real-time syndromic system with those from a less timely, coded ED visit database. 


July 16, 2017

Use of Near-Real–Time Data to Inform Underage Drinking Surveillance in Nebraska

Underage drinking is a significant public health problem in the United States as well as in Nebraska1-2. Alcohol consumption among underage youth accounts for approximately 5,000 deaths each year in the United States, including motor vehicle crash related deaths, homicides and suicides1. In Nebraska, 23% of 12-20 year olds have reported alcohol use during the past 30 days3. In 2010, the estimated total costs of underage drinking in Nebraska were $423 million. These costs included medical care, work loss along with pain and suffering2.

August 22, 2017

Using Syndromic Surveillance Data to Monitor Endocarditis and Sepsis among Drug Users

Recreational drug use is a major problem in the United States and around the world. Specifically, drug abuse results in heavy use of emergency department (ED) services, and is a high financial burden to society and to the hospitals due to chronic ill health and multiple injection drug use complications. Intravenous drug users are at high risk of developing sepsis and endocarditis due to the use of a dirty or infected needle that is either shared with someone else or re-used.

August 26, 2017

The Transition from ICD-9-CM to ICD-10-CM: Guidance for Analysis and Reporting of Injuries by Mechanism and Intent

A report of the Injury Surveillance Workgroup Region 9, Safe States Alliance, December 2016.

Executive Summary

Impetus for this report: On October 1, 2015 in the United States, ICD-10-CM replaced ICD-9-CM for coding information in hospital discharge, emergency department, and outpatient records for administrative and financial transactions. This change will impact national and state-based injury and violence surveillance activities that use these records. 

June 01, 2017

Evaluation of Case Detection of Marijuana-Related Emergency Department Visits

NSSP, a Centers for Disease Control and Prevention (CDC) surveillance system, allows timely detection of emergency department (ED) trends by matching chief complaint (CC) text or diagnosis (DX) codes to established syndrome criteria [1, 2]. No CDC syndrome definition currently exists for marijuana-related visits. Accidental child ingestions and over-consumption of edible products are an emerging concern [3, 4]. A validated marijuana syndrome will allow health departments with access to ED data to measure relative trends and disparities in marijuana-related ED visits.

August 31, 2017


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