ICD-10-CM > Z00-Z99 > Z77-Z99 > Z87 > Z87.8 > Z87.82 > Z87.820 Z87.820 Personal history of traumatic brain injury Billable/Specific Copy Code Copy Description Type 1 Excludes personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits (Z86.73)