The Texas Health and Human Services Commission has revised the HHSC-Approved Diagnostic Codes for Persons with Related Conditions List. Some of the International Classification of Diseases, Tenth Revision diagnosis codes were adopted or are no longer valid. The adopted codes were added to the list and the retired codes were removed. Oct.1, 2020 is the publication date for the full, related conditions diagnostic codes list. Read the updated information letter IL 2020-44 (PDF) and the revised Approved Diagnostic Codes for Persons with Related Conditions (PDF).