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v1.0.0
ICD-10 Guide
ICD-10 CodesD89.834

D89.834

Billable

Cytokine release syndrome, grade 4

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 D89.834 is a billable code used to indicate a diagnosis of cytokine release syndrome, grade 4.

Key Diagnostic Point:

Cytokine release syndrome (CRS) is a severe systemic inflammatory response that can occur following certain therapies, particularly immunotherapies such as CAR T-cell therapy or monoclonal antibodies. Grade 4 CRS is characterized by life-threatening symptoms, including severe hypotension, hypoxia, and multi-organ dysfunction. Patients may present with high fever, tachycardia, and significant laboratory abnormalities such as elevated inflammatory markers (e.g., ferritin, C-reactive protein) and cytopenias. The pathophysiology involves the excessive release of pro-inflammatory cytokines, leading to a cascade of immune activation and systemic inflammation. Management typically requires immediate medical intervention, including supportive care, corticosteroids, and possibly other immunosuppressive agents. The severity of CRS is graded based on clinical criteria, with grade 4 indicating the highest level of severity and risk of mortality. Accurate coding of this condition is crucial for appropriate treatment reimbursement and tracking of adverse events associated with immunotherapy.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Requires understanding of immunotherapy-related adverse events
  • Differentiation from other inflammatory conditions
  • Need for precise documentation of severity and symptoms
  • Potential for multi-organ involvement complicating coding

Audit Risk Factors

  • Inadequate documentation of severity and symptoms
  • Failure to capture multi-organ involvement
  • Misclassification of CRS grade
  • Lack of supporting lab results

Specialty Focus

Medical Specialties

Hematology/Oncology

Documentation Requirements

Detailed clinical notes on patient presentation, treatment history, and response to therapy.

Common Clinical Scenarios

Patients undergoing CAR T-cell therapy experiencing severe CRS.

Billing Considerations

Ensure documentation reflects the severity of symptoms and any interventions taken.

Critical Care Medicine

Documentation Requirements

Comprehensive records of vital signs, organ function, and treatment interventions.

Common Clinical Scenarios

Management of patients in ICU with severe CRS requiring intensive monitoring.

Billing Considerations

Accurate recording of multi-organ dysfunction and response to treatment is essential.

Coding Guidelines

Inclusion Criteria

Use D89.834 When
  • Follow official coding guidelines for reporting CRS, ensuring accurate grading based on clinical presentation
  • Include relevant lab results and treatment details to support the diagnosis

Exclusion Criteria

Do NOT use D89.834 When
  • Exclude conditions that may mimic CRS unless they are specifically documented

Related ICD-10 Codes

Related CPT Codes

96413CPT Code

Chemotherapy administration, intravenous, push technique

Clinical Scenario

Used when administering chemotherapy that may lead to CRS.

Documentation Requirements

Document the drug administered, dosage, and patient response.

Specialty Considerations

Oncology specialists should ensure accurate coding of chemotherapy-related complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like CRS, improving the ability to track and manage adverse events associated with immunotherapy. This specificity aids in research and quality improvement initiatives.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like CRS, improving the ability to track and manage adverse events associated with immunotherapy. This specificity aids in research and quality improvement initiatives.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like CRS, improving the ability to track and manage adverse events associated with immunotherapy. This specificity aids in research and quality improvement initiatives.

Resources

Clinical References

  • •
    Cytokine Release Syndrome: A Review

Coding & Billing References

  • •
    Cytokine Release Syndrome: A Review

Frequently Asked Questions

What are the key symptoms of grade 4 cytokine release syndrome?

Grade 4 CRS is characterized by severe hypotension, hypoxia, high fever, tachycardia, and multi-organ dysfunction. Patients may require intensive monitoring and intervention.

How is cytokine release syndrome graded?

CRS is graded based on clinical criteria established by the American Society for Transplantation and Cellular Therapy, with grade 4 indicating life-threatening symptoms requiring urgent medical intervention.