T23.71
Header — not billableCorrosion of third degree of thumb (nail)
The ICD-10 code for corrosion of third degree of thumb (nail) is T23.71.
T23.71 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.
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.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T23.70Corrosion of third degree of hand, unspecified sitenon-billable header
- T23.72Corrosion of third degree of single finger (nail) except thumbnon-billable header
- T23.73Corrosion of third degree of multiple fingers (nail), not including thumbnon-billable header
- T23.74Corrosion of third degree of multiple fingers (nail), including thumbnon-billable header
- T23.75Corrosion of third degree of palmnon-billable header
- T23.76Corrosion of third degree of back of handnon-billable header
- T23.77Corrosion of third degree of wristnon-billable header
- T23.79Corrosion of third degree of multiple sites of wrist and handnon-billable header
- T23.71Corrosion of third degree of thumb (nail)non-billable header