T85.4Header code — not billable

Mechanical complication of breast prosthesis and implant

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 T85.4?

T85.4 is an ICD-10-CM diagnosis code for Mechanical complication of breast prosthesis and implant.

Is T85.4 a billable code?

No. T85.4 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 T85.4 in?

T85.4 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T85.4 become effective?

T85.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T85.4?

T85.4 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.