T21.50
Billable codeCorrosion of first degree of trunk, unspecified site
The ICD-10 code for corrosion of first degree of trunk, unspecified site is T21.50.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •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.
Related codes in this category
- T21.51Corrosion of first degree of chest wall
- T21.52Corrosion of first degree of abdominal wall
- T21.53Corrosion of first degree of upper back
- T21.54Corrosion of first degree of lower back
- T21.55Corrosion of first degree of buttock
- T21.56Corrosion of first degree of male genital region
- T21.57Corrosion of first degree of female genital region
- T21.59Corrosion of first degree of other site of trunk
- T21.50Corrosion of first degree of trunk, unspecified site