T28.9
Header — not billableCorrosions of other and unspecified internal organs
The ICD-10 code for corrosions of other and unspecified internal organs is T28.9.
T28.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Clinical notes
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.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T28.0Burn of mouth and pharynx
- T28.1Burn of esophagus
- T28.2Burn of other parts of alimentary tract
- T28.3Burn of internal genitourinary organs
- T28.4Burns of other and unspecified internal organsnon-billable header
- T28.5Corrosion of mouth and pharynx
- T28.6Corrosion of esophagus
- T28.7Corrosion of other parts of alimentary tract
- T28.8Corrosion of internal genitourinary organs
- T28.9Corrosions of other and unspecified internal organsnon-billable header