T21.44
Billable codeCorrosion of unspecified degree of lower back
The ICD-10 code for corrosion of unspecified degree of lower back is T21.44.
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
- T21.40Corrosion of unspecified degree of trunk, unspecified site
- T21.41Corrosion of unspecified degree of chest wall
- T21.42Corrosion of unspecified degree of abdominal wall
- T21.43Corrosion of unspecified degree of upper back
- T21.45Corrosion of unspecified degree of buttock
- T21.46Corrosion of unspecified degree of male genital region
- T21.47Corrosion of unspecified degree of female genital region
- T21.49Corrosion of unspecified degree of other site of trunk
- T21.44Corrosion of unspecified degree of lower back