Index to Diseases and Injuries

Subnormal, subnormality

accommodation (old age) H52.4
mental — see Disability, intellectual
temperature (accidental) T68

Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.

ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.