T20.77XABillable

Corrosion of third degree of neck, initial encounter

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T20
Effective date
October 1, 2026

Related codes in category T20

Frequently asked questions

What is ICD-10 code T20.77XA?

T20.77XA is an ICD-10-CM diagnosis code for Corrosion of third degree of neck, initial encounter.

Is T20.77XA a billable code?

Yes. T20.77XA is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T20.77XA in?

T20.77XA falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T20.77XA become effective?

T20.77XA has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T20.77XA?

T20.77XA belongs to category T20, 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.