Billable / Specific Code
ICD-10-CM I63.339 is the diagnosis code for Cerebral infarction due to thrombosis of unspecified posterior cerebral artery. This code falls under the section "Cerebrovascular diseases" within Chapter 9 — Diseases of the circulatory system (I00-I99). 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 I63.339 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I63.339 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I63.339 is the ICD-10-CM diagnosis code for "Cerebral infarction due to thrombosis of unspecified posterior cerebral artery". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I63.339 is I63.33 ("Cerebral infarction due to thrombosis of posterior cerebral artery"). I63.339 provides a more specific classification within this category.
I63.339 is located in Section I60-I69 — "Cerebrovascular diseases" within Chapter 9 of the ICD-10-CM Tabular List.
Use I63.339 when the patients documented diagnosis matches "Cerebral infarction due to thrombosis of unspecified posterior cerebral artery" 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 Cerebral infarction due to thrombosis of unspecified posterior cerebral artery is I63.339.
Yes, I63.339 can be used as a primary diagnosis code since it is billable and specific.
I63.339 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I63.339 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.