Cumulative Official WHO Updates to ICD 10 - 1996 - 2001

B16 Acute hepatitis B. B17 Other acute viral hepatitis. when reported as the originating antecedent cause of: K72.1 (Chronic hepatic failure), code . ... subcategories at B20-B23 are the only optional four-character codes for countries using the four-character version of ICD-10. These four-character subcategories are provided for use where it ... ................
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