T53.91
⚠ Non-billable (Header)Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional)
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Child Codes (3)
Clinical Description
ICD-10-CM code T53.91 represents toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional). This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 6-character code at the 5th level of specificity. There are 3 more specific child codes under T53.91.
Frequently Asked Questions
What is ICD-10 code T53.91?
ICD-10-CM code T53.91 is "Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional)". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T53.91 a billable ICD-10 code?
No, T53.91 is a non-billable header code. A more specific child code must be used for billing.
Related Codes in T53.9
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)