T23.61
Header — not billableCorrosion of second degree of thumb (nail)
The ICD-10 code for corrosion of second degree of thumb (nail) is T23.61.
T23.61 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
- T23.60Corrosion of second degree of hand, unspecified sitenon-billable header
- T23.62Corrosion of second degree of single finger (nail) except thumbnon-billable header
- T23.63Corrosion of second degree of multiple fingers (nail), not including thumbnon-billable header
- T23.64Corrosion of second degree of multiple fingers (nail), including thumbnon-billable header
- T23.65Corrosion of second degree of palmnon-billable header
- T23.66Corrosion of second degree of back of handnon-billable header
- T23.67Corrosion of second degree of wristnon-billable header
- T23.69Corrosion of second degree of multiple sites of wrist and handnon-billable header
- T23.61Corrosion of second degree of thumb (nail)non-billable header