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T80.82

Complication of immune effector cellular therapy

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
T80code
Excludes2
  • bone marrow transplant rejection (T86.01)T86.01
  • febrile nonhemolytic transfusion reaction (R50.84)R50.84
  • fluid overload due to transfusion (E87.71)E87.71
  • posttransfusion purpura (D69.51)D69.51
  • transfusion associated circulatory overload (TACO) (E87.71)E87.71
  • transfusion (red blood cell) associated hemochromatosis (E83.111)E83.111
  • transfusion related acute lung injury (TRALI) (J95.84)J95.84
T80.82code
Excludes2
  • adverse effect of immune checkpoint inhibitors and immunostimulant drugs (T45.AX5)T45.AX5
  • complication of bone marrow transplant (T86.0)T86.0
  • complication of stem cell transplant (T86.5)T86.5
S00-T88chapter
Excludes2

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 9
T80.82code
Inclusion terms
  • Complication of chimeric antigen receptor (CAR-T) cell therapy
  • Complication of IEC therapy
Use additional code
  • code to identify the specific complication, such as:
  • cytokine release syndrome (D89.83-)D89.83-
  • immune effector cell-associated neurotoxicity syndrome (G92.0-)G92.0-
T80code
Includes
  • complications following perfusion
S00-T88chapter
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
  • Complication (s) (from) (of)
    • chimeric antigen receptor (CAR-T) cell therapy T80.82
    • IEC (immune effector cellular) therapy T80.82
    • immune effector cellular (IEC) therapy T80.82
Alongside this code 2 same parent — T80.8
T80.81 Extravasation of vesicant agent category T80.89 Oth comp fol infusion, transfuse and theraputc injection category
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
T80.8
Block
T07-T88
Siblings
2

Present FY2024–FY2027.