ICD-10-CM 2027
ICD-10 code for alteration
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Alteration (of), Altered”. Page updated September 29, 2026.
About coding alteration
The official ICD-10-CM index doesn't give a single default code for alteration; the code depends on the details below.
More specific alteration codes (official index)
- awareness
- transient R40.4 — Transient alteration of awareness
- unintended under general anesthesia, during procedureT88.53
- mental status R41.82 — Altered mental status, unspecified
- pattern of family relationships affecting child Z62.898 — Other specified problems related to upbringing
- sensation
- following
- cerebrovascular disease I69.998 — Other sequelae following unspecified cerebrovascular disease
- cerebral infarction I69.398 — Other sequelae of cerebral infarction
- intracerebral hemorrhage I69.198 — Other sequelae of nontraumatic intracerebral hemorrhage
- nontraumatic intracranial hemorrhage NEC I69.298 — Other sequelae of other nontraumatic intracranial hemorrhage
- specified disease NEC I69.898 — Other sequelae of other cerebrovascular disease
- subarachnoid hemorrhage I69.098 — Other sequelae following nontraumatic subarachnoid hemorrhage
Common questions about alteration ICD-10 codes
What is the ICD-10 code for mental status alteration?
- R41.82 — Altered mental status, unspecified.