2021 ICD-10-CM Code T86.819

Unspecified complication of lung transplant

Version 2021

Valid for Submission

T86.819 is a billable diagnosis code used to specify a medical diagnosis of unspecified complication of lung transplant. The code T86.819 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The ICD-10-CM code T86.819 might also be used to specify conditions or terms like complication of transplanted lung, disorder related to lung transplantation or transplanted lung present.

Unspecified diagnosis codes like T86.819 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:T86.819
Short Description:Unspecified complication of lung transplant
Long Description:Unspecified complication of lung transplant

Code Classification

Coding Guidelines

The appropriate 7th character is to be added to each code from block Complications of transplanted organs and tissue (T86). Use the following options for the aplicable episode of care:

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code T86.819 are found in the index:

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Convert T86.819 to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code T86.819 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

Information for Patients


Lung Transplantation

A lung transplant removes a person's diseased lung and replaces it with a healthy one. The healthy lung comes from a donor who has died. Some people get one lung during a transplant. Other people get two.

Lung transplants are used for people who are likely to die from lung disease within 1 to 2 years. Their conditions are so severe that other treatments, such as medicines or breathing devices, no longer work. Lung transplants most often are used to treat people who have severe

Complications of lung transplantation include rejection of the transplanted lung and infection.

NIH: National Heart, Lung, and Blood Institute


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)