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v1.0.0
ICD-10 Guide
ICD-10 CodesD89.839

D89.839

Billable

Cytokine release syndrome, grade unspecified

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

Code Description

ICD-10 D89.839 is a billable code used to indicate a diagnosis of cytokine release syndrome, grade unspecified.

Key Diagnostic Point:

Cytokine release syndrome (CRS) is a systemic inflammatory response that can occur following certain medical treatments, particularly immunotherapies such as CAR T-cell therapy or monoclonal antibody therapies. It is characterized by the rapid release of cytokines into the bloodstream, leading to a cascade of inflammatory responses. Symptoms may include fever, fatigue, nausea, headache, rash, and in severe cases, hypotension, hypoxia, and multi-organ dysfunction. The severity of CRS can vary, and it is classified into grades based on clinical manifestations. Grade unspecified indicates that the severity has not been clearly defined or documented. Understanding CRS is crucial for managing patients undergoing therapies that may trigger this condition, as timely recognition and intervention can significantly impact patient outcomes. The management of CRS often involves supportive care and may include the use of corticosteroids or other immunosuppressive agents to mitigate the inflammatory response.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Varied presentation of symptoms complicating grading
  • Need for precise documentation of severity and treatment
  • Potential overlap with other inflammatory conditions
  • Variability in clinical guidelines for management

Audit Risk Factors

  • Inadequate documentation of symptoms and severity
  • Failure to specify the triggering treatment or condition
  • Misclassification of CRS severity leading to incorrect coding
  • Lack of follow-up documentation on patient outcomes

Specialty Focus

Medical Specialties

Hematology/Oncology

Documentation Requirements

Detailed documentation of treatment protocols, patient symptoms, and response to therapy is essential.

Common Clinical Scenarios

Patients receiving CAR T-cell therapy or monoclonal antibodies who develop CRS.

Billing Considerations

Close monitoring of vital signs and laboratory values is crucial for grading CRS and guiding treatment.

Rheumatology

Documentation Requirements

Documentation should include the patient's baseline health status and any prior treatments that may influence CRS development.

Common Clinical Scenarios

Patients with autoimmune diseases receiving biologic therapies that may trigger CRS.

Billing Considerations

Differentiating CRS from disease flares or infections is critical for accurate coding.

Coding Guidelines

Inclusion Criteria

Use D89.839 When
  • According to ICD
  • CM guidelines, D89
  • 839 should be used when the specific grade of CRS is not documented
  • Coders should ensure that the underlying cause or triggering treatment is also documented to support the diagnosis

Exclusion Criteria

Do NOT use D89.839 When
No specific exclusions found.

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 practices must ensure accurate coding for both the treatment and any resulting 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 these complex cases. It has also emphasized the need for detailed documentation to support the diagnosis.

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 these complex cases. It has also emphasized the need for detailed documentation to support the diagnosis.

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 these complex cases. It has also emphasized the need for detailed documentation to support the diagnosis.

Resources

Clinical References

  • •
    Cytokine Release Syndrome: A Review

Coding & Billing References

  • •
    Cytokine Release Syndrome: A Review

Frequently Asked Questions

What is the significance of coding CRS as grade unspecified?

Coding CRS as grade unspecified indicates that the severity of the syndrome has not been clearly documented. This can impact treatment decisions and billing, making thorough documentation essential.