ICD-10/T86.810

T86.810 ICD 2026 Code: Lung transplant rejection

T86.810 is the authoritative medical code for Lung transplant rejection. This classification is used in medical billing and clinical recording to specify the clinical criteria for lung transplant rejection (ICD-10-CM T86.810), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Lung transplant rejection is a billable ICD-10-CM diagnosis code T86.810. Excludes1 (not coded here): complication of heart-lung transplant T86.3-. Excludes2 (not included here): any encounters with medical care for postprocedural conditions in which no complications are present, such as:; artificial opening status Z93.-; closure of external stoma Z43.-; fitting and adjustment of external prosthetic device Z44.-; burns and corrosions from local applications and irradiation T20-T32; complications of surgical procedures during pregnancy, childbirth and the puerperium O00-O9A; mechanical complication of respirator ventilator; poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6); postprocedural fever R50.82; specified complications classified elsewhere, such as:; cerebrospinal fluid leak from spinal puncture G97.0; colostomy malfunction K94.0-; disorders of fluid and electrolyte imbalance E86-E87; functional disturbances following cardiac surgery I97.0-I97.1; intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-); ostomy complications (J95.0-, K94.-, N99.5-); postgastric surgery syndromes K91.1; postlaminectomy syndrome NEC M96.1; postmastectomy lymphedema syndrome I97.2; postsurgical blind-loop syndrome K91.2; ventilator associated pneumonia J95.851. Use additional code: 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.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for T86.810 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • complication of heart-lung transplant T86.3-

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • any encounters with medical care for postprocedural conditions in which no complications are present, such as:
  • artificial opening status Z93.-
  • closure of external stoma Z43.-
  • fitting and adjustment of external prosthetic device Z44.-
  • burns and corrosions from local applications and irradiation T20-T32
  • complications of surgical procedures during pregnancy, childbirth and the puerperium O00-O9A
  • mechanical complication of respirator ventilator
  • poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
  • postprocedural fever R50.82
  • specified complications classified elsewhere, such as:
  • cerebrospinal fluid leak from spinal puncture G97.0
  • colostomy malfunction K94.0-
  • disorders of fluid and electrolyte imbalance E86-E87
  • functional disturbances following cardiac surgery I97.0-I97.1
  • intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)
  • ostomy complications (J95.0-, K94.-, N99.5-)
  • postgastric surgery syndromes K91.1
  • postlaminectomy syndrome NEC M96.1
  • postmastectomy lymphedema syndrome I97.2
  • postsurgical blind-loop syndrome K91.2
  • ventilator associated pneumonia J95.851

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • 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
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • code(s) to identify the specified condition resulting from the complication
  • code to identify devices involved and details of circumstances Y62-Y82

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with T86.810?

Per official ICD-10-CM Excludes1 instructions, T86.810 must not be reported together with: complication of heart-lung transplant (T86.3-).

Can T86.810 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, T86.810 and the following are not considered part of each other and may both be reported when both conditions are present: any encounters with medical care for postprocedural conditions in which no complications are present, such as:; artificial opening status (Z93.-); closure of external stoma (Z43.-); fitting and adjustment of external prosthetic device (Z44.-).

Is an additional code needed with T86.810?

Use additional code(s) to specify: 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).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to T86.810 in its code family, with their registry titles.

  • T86 — Complications of transplanted organs and tissue
  • T86.0 — Complications of bone marrow transplant
  • T86.00 — Unspecified complication of bone marrow transplant
  • T86.01 — Bone marrow transplant rejection
  • T86.02 — Bone marrow transplant failure
  • T86.03 — Bone marrow transplant infection
  • T86.09 — Other complications of bone marrow transplant
  • T86.1 — Complications of kidney transplant
  • T86.10 — Unspecified complication of kidney transplant
  • T86.11 — Kidney transplant rejection

View all 40 codes in the T86 family

Indexed Clinical Terms (2)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Complication (s) (from) (of), transplant, lung, rejection
  • Rejection, transplant, lung (s)