Is T23.639D a billable code?
Yes. T23.639D is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
T23.639D: Corrosion of second degree of unspecified multiple fingers (nail), not including thumb, subsequent encounter
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
T23.639D is a billable ICD-10-CM diagnosis code for corrosion of second degree of unspecified multiple fingers (nail), not including thumb, subsequent encounter. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with T23.639D already added.Good Faith EstimateStart a cost estimate with T23.639D already added.CMS-1500 Claim FormFill a claim form with T23.639D in box 21.
Other codes in T23.639 Corrosion of second degree of unspecified multiple fingers (nail), not including thumb
T23.639D questions
What does T23.639D mean?
T23.639D is the ICD-10-CM code for Corrosion of second degree of unspecified multiple fingers (nail), not including thumb, subsequent encounter. 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.