Cumulative Official WHO Updates to ICD 10 - 1996 - 2001

Example 10: I(a) Bronchopneumonia ... All possible detail should be retained in the multiple cause coding. Example 43: I (a) Cardiomyopathy (b) Alcoholism ... 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 ... ................
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