T54.9
Header — not billableToxic effects of unspecified corrosive substance
The ICD-10 code for toxic effects of unspecified corrosive substance is T54.9.
T54.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under T54.9
Related codes in this category
- T54.0Toxic effects of phenol and phenol homologuesnon-billable header
- T54.1Toxic effects of other corrosive organic compoundsnon-billable header
- T54.2Toxic effects of corrosive acids and acid-like substancesnon-billable header
- T54.3Toxic effects of corrosive alkalis and alkali-like substancesnon-billable header
- T54.9Toxic effects of unspecified corrosive substancenon-billable header