ICD10BillableValid for clinical use

ICD-10 Code T80.82: Complication of immune effector cellular therapy

T80.82 is a billable ICD-10 diagnosis code used to classify Complication of immune effector cellular therapy in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

  • May be used when a clinician documents complication of immune effector cellular therapy in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
19Injury, poisoning and certain other consequences of external causes (S00-T88)
block
T07-T88Injury, poisoning and certain other consequences of external causes
block
T80-T88Complications of surgical and medical care, not elsewhere classified
category
T80Complications following infusion, transfusion and therapeutic injection
category
T80.8Other complications following infusion, transfusion and therapeutic injection
currentT80.8

Official coding notes

Inclusion terms
  • Complication of chimeric antigen receptor (CAR-T) cell therapy
  • Complication of IEC therapy
Applicable to
  • code to identify the specific complication, such as:
  • cytokine release syndrome (D89.83-)
  • immune effector cell-associated neurotoxicity syndrome (G92.0-)
Excludes2 (may code together if documented)
  • adverse effect of immune checkpoint inhibitors and immunostimulant drugs (T45.AX5)
  • complication of bone marrow transplant (T86.0)
  • complication of stem cell transplant (T86.5)
Use additional code
  • code to identify the specific complication, such as:
  • cytokine release syndrome (D89.83-)
  • immune effector cell-associated neurotoxicity syndrome (G92.0-)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Emergency Medicine SpecialistOrthopedic Specialist

Coding guidelines

Common synonyms

Complication of immune effector cellular therapy

Frequently asked questions

Code details

CodeT80.82
SystemICD10
Display nameComplication of immune effector cellular therapy
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockComplications of surgical and medical care, not elsewhere classified

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Complication(s) (from) (of)Complication(s) (from) (of)Complication(s) (from) (of)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code T80.82 for Complication of immune effector cellular therapy | HealthAssure