T20.40
Billable codeCorrosion of unspecified degree of head, face, and neck, unspecified site
The ICD-10 code for corrosion of unspecified degree of head, face, and neck, unspecified site is T20.40.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T20.41Corrosion of unspecified degree of ear [any part, except ear drum]non-billable header
- T20.42Corrosion of unspecified degree of lip(s)
- T20.43Corrosion of unspecified degree of chin
- T20.44Corrosion of unspecified degree of nose (septum)
- T20.45Corrosion of unspecified degree of scalp [any part]
- T20.46Corrosion of unspecified degree of forehead and cheek
- T20.47Corrosion of unspecified degree of neck
- T20.49Corrosion of unspecified degree of multiple sites of head, face, and neck
- T20.40Corrosion of unspecified degree of head, face, and neck, unspecified site