Z87.820 Personal history of traumatic brain injury

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Excludes1 (never code together)

• personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits (Z86.73)

Applies from Z87 Personal history of other diseases and conditions

Code first

• any follow-up examination after treatment (Z09)

Applies from Z87.8 Personal history of other specified conditions

Excludes2 (not included here)

• personal history of self harm (Z91.5-)

Applies from Z87.82 Personal history of other (healed) physical injury and trauma

Applicable to

• Conditions classifiable to S00-T88, except traumatic fractures

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V15.52 Personal history of traumatic brain injury

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z87.820

Back-references to Z87.820

• Type 1 Excludes: Z86.73 Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits ("personal history of traumatic brain injury (Z87.820)")

Back-references to Z87.82

• Type 2 Excludes: Z91 Personal risk factors, not elsewhere classified ("personal history of physical injury and trauma (Z87.81, Z87.82-)")

Back-references to Z87

• Use Additional: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("code to identify any applicable history of disease code (Z86.-, Z87.-)")

Diagnosis Index entries for Z87.820

• History › personal (of) › brain injury (traumatic)
• History › personal (of) › traumatic brain injury

Nearby codes

• Z87.790 Personal history of (corrected) congenital malformations of face and neck
• Z87.798 Personal history of other (corrected) congenital malformations
• Z87.8 Personal history of other specified conditions
• Z87.81 Personal history of (healed) traumatic fracture
• Z87.82 Personal history of other (healed) physical injury and trauma
• Z87.820 Personal history of traumatic brain injury (this code)
• Z87.821 Personal history of retained foreign body fully removed
• Z87.828 Personal history of other (healed) physical injury and trauma
• Z87.89 Personal history of other specified conditions
• Z87.890 Personal history of sex reassignment
• Z87.891 Personal history of nicotine dependence