ICD-10-CM > M00-M99 > M05-M14 > M11 > M11.0 > M11.07 M11.07 Hydroxyapatite deposition disease, ankle and foot Non-Billable/Non-Specific Codes M11.071Hydroxyapatite deposition disease, right ankle and footM11.072Hydroxyapatite deposition disease, left ankle and footM11.079Hydroxyapatite deposition disease, unspecified ankle and foot