T25.539ABillable
Corrosion of first degree of unspecified toe(s) (nail), initial encounter
Short description: Corrosion of first degree of unsp toe(s) (nail), init encntr
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T25
- Effective date
- October 1, 2026
Related codes in category T25
T25Burn and corrosion of ankle and footT25.0Burn of unspecified degree of ankle and footT25.01Burn of unspecified degree of ankleT25.011Burn of unspecified degree of right ankleT25.011ABurn of unspecified degree of right ankle, initial encounterYesT25.011DBurn of unspecified degree of right ankle, subs encntrYesT25.011SBurn of unspecified degree of right ankle, sequelaYesT25.012Burn of unspecified degree of left ankleT25.012ABurn of unspecified degree of left ankle, initial encounterYesT25.012DBurn of unspecified degree of left ankle, subs encntrYesT25.012SBurn of unspecified degree of left ankle, sequelaYesT25.019Burn of unspecified degree of unspecified ankle
Frequently asked questions
What is ICD-10 code T25.539A?
T25.539A is an ICD-10-CM diagnosis code for Corrosion of first degree of unspecified toe(s) (nail), initial encounter.
Is T25.539A a billable code?
Yes. T25.539A is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is T25.539A in?
T25.539A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T25.539A become effective?
T25.539A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T25.539A?
T25.539A belongs to category T25, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.