T22.79
⚠ Non-billable (Header)Corrosion of third degree of multiple sites of shoulder and upper limb, except wrist and hand
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • burn and corrosion of interscapular region (T21.-)
- • burn and corrosion of wrist and hand (T23.-)
📋 Code Instructions
inherited- • external cause code to identify place (Y92)
- • Code first: (T51-T65) to identify chemical and intent
Child Codes (3)
Clinical Description
ICD-10-CM code T22.79 represents corrosion of third degree of multiple sites of shoulder and upper limb, except wrist and hand. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 6-character code at the 5th level of specificity. There are 3 more specific child codes under T22.79.
Frequently Asked Questions
What is ICD-10 code T22.79?
ICD-10-CM code T22.79 is "Corrosion of third degree of multiple sites of shoulder and upper limb, except wrist and hand". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T22.79 a billable ICD-10 code?
No, T22.79 is a non-billable header code. A more specific child code must be used for billing.
Can T22.79 be coded with other codes?
T22.79 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in T22.7
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)