Cumulative Official WHO Updates to ICD 10 - 1996 …

• skin lesions . MbRG (URC:1238) October 2007 Major January 2010 Modify. p. 30. Revise code 3.1.4 Conventions used in the tabular list ... 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 is not ... ................
................