T22.439Header code — not billable
Corrosion of unspecified degree of unspecified upper arm
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T22
- Effective date
- October 1, 2026
Related codes in category T22
T22Burn and corrosion of shldr/up lmb, except wrist and handT22.0Burn of unsp degree of shldr/up lmb, except wrist and handT22.00Burn unsp degree of shldr/up lmb, except wrs/hnd, unsp siteT22.00XABurn unsp deg of shldr/up lmb, ex wrs/hnd, unsp site, initYesT22.00XDBurn unsp deg of shldr/up lmb, ex wrs/hnd, unsp site, subsYesT22.00XSBurn unsp deg of shldr/up lmb, ex wrs/hnd, unsp site, sqlaYesT22.01Burn of unspecified degree of forearmT22.011Burn of unspecified degree of right forearmT22.011ABurn of unspecified degree of right forearm, init encntrYesT22.011DBurn of unspecified degree of right forearm, subs encntrYesT22.011SBurn of unspecified degree of right forearm, sequelaYesT22.012Burn of unspecified degree of left forearm
Frequently asked questions
What is ICD-10 code T22.439?
T22.439 is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of unspecified upper arm.
Is T22.439 a billable code?
No. T22.439 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is T22.439 in?
T22.439 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T22.439 become effective?
T22.439 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T22.439?
T22.439 belongs to category T22, 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.