Aphthous ulcers icd 10 July 8, 2019 16 32 64 128 Multiple aphthous ulcers icd 10 Aphthous ulcers colon icd 10 Aphthous ulcers terminal ileum icd 10 Aphthous ulcer icd 10 Aphthous ulcer icd 10 code Aphthous stomatitis icd 10