Billable / Specific Code
ICD-10-CM Z87.820 is the diagnosis code for Personal history of traumatic brain injury. This code falls under the section "Persons with potential health hazards related to family and personal history and certain conditions influencing health status" within Chapter 21 — Factors influencing health status and contact with health services (Z00-Z99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as Z87.820. They are mutually exclusive:
Understanding where Z87.820 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Z87.820 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Z87.820 is the ICD-10-CM diagnosis code for "Personal history of traumatic brain injury". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Z87.820 is Z87.82 ("Personal history of other (healed) physical injury and trauma"). Z87.820 provides a more specific classification within this category.
Z87.820 is located in Section Z77-Z99 — "Persons with potential health hazards related to family and personal history and certain conditions influencing health status" within Chapter 21 of the ICD-10-CM Tabular List.
Use Z87.820 when the patients documented diagnosis matches "Personal history of traumatic brain injury" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Personal history of traumatic brain injury is Z87.820.
Yes, Z87.820 can be used as a primary diagnosis code since it is billable and specific.
Z87.820 is in Chapter 21 of the ICD-10-CM Tabular List.
Type 1 Excludes for Z87.820 include: personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits (Z86.73).
Yes, Z87.820 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.