T86.840Header code — not billable
Corneal transplant rejection
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T86
- Effective date
- October 1, 2026
Related codes in category T86
T86Complications of transplanted organs and tissueT86.0Complications of bone marrow transplantT86.00Unspecified complication of bone marrow transplantYesT86.01Bone marrow transplant rejectionYesT86.02Bone marrow transplant failureYesT86.03Bone marrow transplant infectionYesT86.09Other complications of bone marrow transplantYesT86.1Complications of kidney transplantT86.10Unspecified complication of kidney transplantYesT86.11Kidney transplant rejectionYesT86.12Kidney transplant failureYesT86.13Kidney transplant infectionYes
Frequently asked questions
What is ICD-10 code T86.840?
T86.840 is an ICD-10-CM diagnosis code for Corneal transplant rejection.
Is T86.840 a billable code?
No. T86.840 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 T86.840 in?
T86.840 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T86.840 become effective?
T86.840 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T86.840?
T86.840 belongs to category T86, 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.