T57.9
Header — not billableToxic effect of unspecified inorganic substance
The ICD-10 code for toxic effect of unspecified inorganic substance is T57.9.
T57.9 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 T57.9
Related codes in this category
- T57.0Toxic effect of arsenic and its compoundsnon-billable header
- T57.1Toxic effect of phosphorus and its compoundsnon-billable header
- T57.2Toxic effect of manganese and its compoundsnon-billable header
- T57.3Toxic effect of hydrogen cyanidenon-billable header
- T57.8Toxic effect of other specified inorganic substancesnon-billable header
- T57.9Toxic effect of unspecified inorganic substancenon-billable header