ICD-10-CM FY2027 diagnosis code

T23.619: Corrosion of second degree of unspecified thumb (nail)

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

T23.619 groups related diagnoses under corrosion of second degree of unspecified thumb (nail). It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under T23.619

T23.619 questions

Is T23.619 a billable code?

No. T23.619 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.

What does T23.619 mean?

T23.619 is the ICD-10-CM code for Corrosion of second degree of unspecified thumb (nail). It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.