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. 2020 Dec 22;324(24):2553–2554. doi: 10.1001/jama.2020.20323

Figure. Transition From Legacy Coding at US Hospitals and Uptake of the COVID-19–Specific Diagnosis Code.

Figure.

Legacy coding is for a clinical syndrome plus “other coronavirus as the cause of diseases classified elsewhere” (International Statistical Classification of Diseases, Tenth Revision, Clinical Modification [ICD-10-CM] code B97.29) and is shown in blue. Coronavirus disease 2019 (COVID-19)–specific coding (ICD-10-CM code U07.1) is shown in orange.