T22.491Header code — not billable

Corrosion of unspecified degree of multiple sites of right shoulder and upper limb, except wrist and hand

Short description: Corros unsp deg mult sites of right shldr/up lmb, ex wrs/hnd

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 T22.491?

T22.491 is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of multiple sites of right shoulder and upper limb, except wrist and hand.

Is T22.491 a billable code?

No. T22.491 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 T22.491 in?

T22.491 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T22.491 become effective?

T22.491 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T22.491?

T22.491 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.