There are two tabs on the main screen HCPCS -> ICD10 and ICD10-HCPCS. This screen shot shows a list of Policies that are associates with the Look Up Code 64566 "Posterior tibial neurostimulation, percutaneous needle electrode, single treatment, includes programming". The list of ICD10 codes displayed are from this policy.
CrossCoder Main Screen showing ICD10 Lookup Code and List of Policies with CPT/HCPCS Crosswalks
This screenshot shows reverse searches. The selected tab goes from ICD10-HCPCS. Displayed are a list of Policies that are associates with the Look Up Code ICD10 Diagnostic Code N39.46 "Mixed incontinence". The list of *HCPCS codes displayed are from the selected policy "Botulinum Toxin Types A and B Policy".
GEM Mapping from ICD9 - ICD10
GEM (General Equivalent Mappings) is a lookup feature to help locate ICD10 codes from ICD9. There are 5 "Flags" to help assist in finding equivalent or near equivalent ICD10 crosswalks if you know the old ICD9 code.