Billable / Specific Code
ICD-10-CM T86.8402 is the diagnosis code for Corneal transplant rejection, left eye. This code falls under the section "Complications of surgical and medical care, not elsewhere classified" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where T86.8402 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, T86.8402 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
T86.8402 is the ICD-10-CM diagnosis code for "Corneal transplant rejection, left eye". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T86.8402 is T86.840 ("Corneal transplant rejection"). T86.8402 provides a more specific classification within this category.
T86.8402 is located in Section T80-T88 — "Complications of surgical and medical care, not elsewhere classified" within Chapter 19 of the ICD-10-CM Tabular List.
Use T86.8402 when the patients documented diagnosis matches "Corneal transplant rejection, left eye" 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 Corneal transplant rejection, left eye is T86.8402.
Yes, T86.8402 can be used as a primary diagnosis code since it is billable and specific.
T86.8402 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T86.8402 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.