ICD Expander
Overview of mapping projects:
https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/mapping_projects/index.html
Files used
ICD
Download: https://www.cms.gov/Medicare/Coding/ICD10/Downloads/2016-Code-Descriptions-in-Tabular-Order.zip Used: icd10cm_codes_2016.txt
Download: https://www.cms.gov/Medicare/Coding/ICD9ProviderDiagnosticCodes/Downloads/ICD-9-CM-v32-master-descriptions.zip Used: CMS32_DESC_LONG_DX.txt Need to confirm!
Snomed to ICD-10 mapping
Download: https://www.nlm.nih.gov/research/umls/mapping_projects/snomedct_to_icd10cm.html Used: tls_Icd10cmHumanReadableMap_US1000124_20170301.tsv
Explanation of how to implement a mapping tool: https://www.nlm.nih.gov/research/umls/mapping_projects/IMAGICImplementationGuide.pdf
Demo: https://imagic.nlm.nih.gov/imagic
ICD-9 to ICD-10 mapping
Download: https://www.cms.gov/Medicare/Coding/ICD10/2018-ICD-10-CM-and-GEMs.html
ICD-9-CM to Snomed CT Map
https://www.nlm.nih.gov/research/umls/mapping_projects/icd9cm_to_snomedct.html