The ICD-10-CM Master Mapping Reference Table (MMRT) is a tool and resource to assist public health professionals in code-mapping conversion between ICD-9-CM to ICD-10-CM.
Background
The upcoming ICD-9/ICD-10 transition will have a significant impact on public health surveillance systems and activities that involve coded clinical data. It is imperative that public health agencies begin to prepare their systems, modify current business processes, and train their workforce to ensure a seamless transition to ICD-10-CM coded data. To address this urgent need, CDC worked with clinicians and public health professionals to develop ICD-9-CM to ICD-10-CM translations based on conceptual mapping for 140 syndromes arranged into 16 broader syndrome groupings. ISDS coordinated the community input on these codesets and concepts, to ensure that they reflect how public health agencies use diagnostic codes for syndromic surveillance activities. Three reviews for each syndrome chapter were compiled, and a panel of syndromic surveillance experts subsequently assessed that the reviews for inclusion. The resulting reference tables, which include 90 syndromes grouped into 13 chapters, serve as a resource for public health agencies looking to ensure a smooth transition between ICD-9-CM and ICD-10-CM code-mapping.