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ICD-10 Code J95.84: Transfusion-related acute lung injury (TRALI)

J95.84 is a billable ICD-10 diagnosis code used to classify Transfusion-related acute lung injury (TRALI) 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 Diseases of the respiratory system (J00-J99).

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 Diseases of the respiratory system (J00-J99).

đź“‹Clinical overview

This entry describes transfusion-related acute lung injury, or TRALI, a serious reaction involving sudden breathing difficulty and low blood oxygen after transfusion. Lung inflammation and leaking fluid, rather than simple circulatory overload, are central to the syndrome. New breathlessness during or after transfusion needs immediate assessment; the code alone does not identify the responsible component, mechanism or clinical subtype.

When is it used?

  • May be used when a clinician documents transfusion-related acute lung injury (trali) 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.

đź©şClinical context

When commonly used
  • TRALI is clinically diagnosed after transfusion. Assessment considers acute hypoxaemia and bilateral lung oedema developing during or within six hours of transfusion, alongside other possible causes. This definition is not advice to wait six hours for help or to dismiss dangerous breathing symptoms that appear later.
  • Red cells, platelets and plasma-containing components can be involved. Antibody-mediated and other mechanisms are described, but a particular donor antibody is not required for the clinical diagnosis. J95.84 does not prove an incompatible blood group, a contaminated product, a donor's pregnancy history or a specific antibody result.
  • TRALI differs from transfusion-associated circulatory overload, known as TACO. Both can cause pulmonary oedema and may overlap or be difficult to distinguish. A breathlessness event after transfusion should not automatically be labelled TRALI, TACO, infection or anaphylaxis from timing alone.
Common workup
  • The team urgently assesses breathing, oxygenation and circulation and reviews observations before, during and after transfusion. Chest imaging and fluid-balance assessment can help. The underlying illness, component details and time of symptom onset are important; the code is not a substitute for that clinical record.
  • Clinicians investigate other reactions and causes as appropriate, including circulatory overload, haemolysis, bacterial contamination and anaphylaxis. Selected cardiac assessment or laboratory tests may help, but no one generic code, image or antibody result independently settles every post-transfusion breathing problem.
  • The 2019 consensus distinguishes Type I from Type II TRALI, which can occur in selected patients with an ARDS risk factor or mild existing ARDS after review of their prior respiratory course. Do not reject TRALI merely because another risk exists, or automatically assign Type II from that risk. This adult consensus is not a self-diagnosis checklist for every age.
Common management context
  • Alert the clinical team immediately to new breathlessness or other serious symptoms during transfusion. Clinicians stop the transfusion and follow their emergency reaction procedure while assessing and treating the person. Do not disconnect, flush or restart an intravenous line yourself or wait for specialist antibody testing before seeking help.
  • Treatment is mainly supportive, including oxygen and respiratory or circulatory support according to need. Some patients require intensive care or ventilation. The code does not prescribe ventilator settings, fluid volumes, blood-pressure medicines or a fixed hospital stay, and supportive treatment is not a reason to delay urgent care.
  • TRALI must not be routinely treated as simple fluid overload with diuretics. Medicines used for TACO or another coexisting problem require the clinician's assessment; do not start or stop a prescribed diuretic independently. A routine steroid course or another medicine is not selected by this code.
  • The treating and transfusion teams document and investigate the reaction and arrange any relevant blood-service review. Ask that the reaction history is available before future transfusion so an individual plan can be made. This is not a permanent ban on all transfusion or advice to refuse necessary emergency blood while awaiting donor investigations.

🔍Key distinctions

Important notes
  • Sudden severe breathlessness, blue or grey colour, collapse, new confusion or rapid deterioration during or after transfusion needs emergency help. If already receiving care, tell staff immediately. Do not wait for a low oxygen number, all features of TRALI, a rash or confirmation of its cause.
  • The code does not establish donor fault, an allergic mechanism, a positive antibody test or a transfusion-transmitted infection. Specialist antibody investigations may support an investigation, but a negative result does not exclude clinically diagnosed TRALI. A linked respiratory complication is not an additional diagnosis.
  • The 2016 NHSBT document is historical background, not a current universal investigation or donor-selection policy. The 2019 consensus is expert guidance, not a treatment trial; it recognizes uncertain or overlapping TRALI/TACO cases. Do not copy older no-ARDS-risk wording, country-specific donor restrictions or specimen protocols into every patient's care.
  • Recovery depends on the actual illness and other clinical problems; a general reference's short recovery window is not a guarantee. Arrange follow-up for continuing breathing or functional difficulties. Existing official exclusions, related tests and relationships remain intact, including separate classifications for transfusion-associated dyspnoea and other respiratory conditions.
Related codes to consider
J95.81Postprocedural pneumothorax and air leak
Related respiratory-complication classification for navigation; another event or diagnosis needs its own evidence and is not established by this TRALI entry.
J95.82Postprocedural respiratory failure
Related respiratory-complication classification for navigation; another event or diagnosis needs its own evidence and is not established by this TRALI entry.
J95.83Postprocedural hemorrhage of a respiratory system organ or structure following a procedure
Related respiratory-complication classification for navigation; another event or diagnosis needs its own evidence and is not established by this TRALI entry.
J95.85Complication of respirator [ventilator]
Related respiratory-complication classification for navigation; another event or diagnosis needs its own evidence and is not established by this TRALI entry.

Code hierarchy

chapter
10Diseases of the respiratory system (J00-J99)
block
J95Intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified (J95)
category
J95Intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified
category
J95.8Other intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified
currentJ95.8

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

PulmonologistGeneral PhysicianOrthopedic Specialist

Coverage-related procedures and services

CPT 31720high
CATHETER ASPIRATION (SEPARATE PROCEDURE); NASOTRACHEAL
Source: CMS coverage guidance
CPT 94664high
DEMONSTRATION AND/OR EVALUATION OF PATIENT UTILIZATION OF AN AEROSOL GENERATOR, NEBULIZER, METERED DOSE INHALER OR IPPB DEVICE
Source: CMS coverage guidance
CPT 93325high
DOPPLER ECHOCARDIOGRAPHY COLOR FLOW VELOCITY MAPPING (LIST SEPARATELY IN ADDITION TO CODES FOR ECHOCARDIOGRAPHY)
Source: CMS coverage guidance
CPT 93320high
DOPPLER ECHOCARDIOGRAPHY, PULSED WAVE AND/OR CONTINUOUS WAVE WITH SPECTRAL DISPLAY (LIST SEPARATELY IN ADDITION TO CODES FOR ECHOCARDIOGRAPHIC IMAGING); COMPLETE
Source: CMS coverage guidance
CPT 93321high
DOPPLER ECHOCARDIOGRAPHY, PULSED WAVE AND/OR CONTINUOUS WAVE WITH SPECTRAL DISPLAY (LIST SEPARATELY IN ADDITION TO CODES FOR ECHOCARDIOGRAPHIC IMAGING); FOLLOW-UP OR LIMITED STUDY (LIST SEPARATELY IN ADDITION TO CODES FOR ECHOCARDIOGRAPHIC IMAGING)
Source: CMS coverage guidance
CPT 93306high
ECHOCARDIOGRAPHY, TRANSTHORACIC, REAL-TIME WITH IMAGE DOCUMENTATION (2D), INCLUDES M-MODE RECORDING, WHEN PERFORMED, COMPLETE, WITH SPECTRAL DOPPLER ECHOCARDIOGRAPHY, AND WITH COLOR FLOW DOPPLER ECHOCARDIOGRAPHY
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Transfusion-related acute lung injury (TRALI)Transfusion-related acute lung injuryTransfusion-related acute lung injury TRALI

Frequently asked questions

Code details

CodeJ95.84
SystemICD10
Display nameTransfusion-related acute lung injury (TRALI)
ChapterDiseases of the respiratory system (J00-J99)
BlockIntraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified (J95)

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
InjuryInjuryTransfusion

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.