T85.521Header code — not billable

Displacement of esophageal anti-reflux device

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T85
Effective date
October 1, 2026

Related codes in category T85

Frequently asked questions

What is ICD-10 code T85.521?

T85.521 is an ICD-10-CM diagnosis code for Displacement of esophageal anti-reflux device.

Is T85.521 a billable code?

No. T85.521 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 T85.521 in?

T85.521 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T85.521 become effective?

T85.521 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T85.521?

T85.521 belongs to category T85, 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.