T86.31
✓ BillableHeart-lung transplant rejection
Injury, poisoning and certain other consequences of external causes (S00-T88)
📋 Code Instructions
inherited- • code to identify other transplant complications, such as:
- • graft-versus-host disease (D89.81-)
- • malignancy associated with organ transplant (C80.2)
- • post-transplant lymphoproliferative disorders (PTLD) (D47.Z1)
Clinical Description
ICD-10-CM code T86.31 represents heart-lung transplant rejection. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code T86.31?
ICD-10-CM code T86.31 is "Heart-lung transplant rejection". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T86.31 a billable ICD-10 code?
Yes, T86.31 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Related Codes in T86.3
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)