ICD-10-CM T75.830 is the diagnosis code for Gulf war illness. This code falls under the section "Other and unspecified effects of external causes" 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.
Understanding where T75.830 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, T75.830 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
T75.830 is the ICD-10-CM diagnosis code for "Gulf war illness". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T75.830 is T75.83 ("Effects of war theater"). T75.830 provides a more specific classification within this category.
T75.830 is located in Section T66-T78 — "Other and unspecified effects of external causes" within Chapter 19 of the ICD-10-CM Tabular List.
Use T75.830 when the patients documented diagnosis matches "Gulf war illness" 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 Gulf war illness is T75.830.
Yes, T75.830 can be used as a primary diagnosis code since it is billable and specific.
T75.830 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T75.830 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.