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v1.0.0
ICD-10 Guide
ICD-10 CodesChapter 2: NeoplasmsC84

C84

Non-billable

Mature T/NK-cell lymphomas

Chapter 2:Neoplasms

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

Code Description

ICD-10 C84 is a used to indicate a diagnosis of mature t/nk-cell lymphomas.

Key Diagnostic Point:

Mature T/NK-cell lymphomas encompass a group of hematological malignancies characterized by the proliferation of mature T-lymphocytes or natural killer (NK) cells. This category includes various subtypes such as peripheral T-cell lymphoma, angioimmunoblastic T-cell lymphoma, and adult T-cell leukemia/lymphoma, among others. These lymphomas are often aggressive and can present with a wide range of symptoms, including lymphadenopathy, fever, night sweats, and weight loss. The clinical significance of accurately coding these conditions lies in their distinct treatment protocols and prognostic implications, as they may require different therapeutic approaches compared to B-cell lymphomas or other hematological disorders.

  • The usage of C84 codes is crucial for proper documentation and billing, as they provide specificity in identifying the type of T/NK-cell lymphoma diagnosed. Accurate coding not only facilitates appropriate treatment planning but also impacts research and epidemiological studies related to these malignancies. Clinicians and coders must ensure that the coding reflects the specific subtype and characteristics of the lymphoma, as this can influence patient management and outcomes significantly.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diverse subtypes
  • Aggressive nature of diseases
  • Need for precise documentation

Audit Risk Factors

  • Misclassification of lymphoma subtype
  • Inadequate documentation
  • Failure to capture all relevant clinical details

Specialty Focus

Medical Specialties

Hematology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Oncology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical and administrative impact of the C84 code category is significant, as it influences treatment pathways and patient outcomes in the realm of hematological malignancies. Accurate coding of mature T/NK-cell lymphomas is essential for quality measures, as it helps track treatment efficacy and patient survival rates. Furthermore, the data collected through proper coding can contribute to population health initiatives aimed at improving early detection and management of these aggressive lymphomas.
From an administrative perspective, the implications of C84 coding extend to healthcare trends, including the allocation of resources for research and the development of targeted therapies. As the understanding of T/NK-cell lymphomas evolves, so too does the importance of precise coding in reflecting the changing landscape of treatment options and patient care strategies. This category's impact on healthcare systems underscores the need for ongoing education and adherence to coding guidelines to optimize patient outcomes and operational efficiency.

ICD-9 vs ICD-10

The clinical and administrative impact of the C84 code category is significant, as it influences treatment pathways and patient outcomes in the realm of hematological malignancies. Accurate coding of mature T/NK-cell lymphomas is essential for quality measures, as it helps track treatment efficacy and patient survival rates. Furthermore, the data collected through proper coding can contribute to population health initiatives aimed at improving early detection and management of these aggressive lymphomas. From an administrative perspective, the implications of C84 coding extend to healthcare trends, including the allocation of resources for research and the development of targeted therapies. As the understanding of T/NK-cell lymphomas evolves, so too does the importance of precise coding in reflecting the changing landscape of treatment options and patient care strategies. This category's impact on healthcare systems underscores the need for ongoing education and adherence to coding guidelines to optimize patient outcomes and operational efficiency.

Reimbursement & Billing Impact

reimbursement may vary based on the subtype and treatment administered. Providers should ensure that the documentation reflects the complexity of care, including any chemotherapy or radiation treatments. It is essential to maintain accurate records of the patient's condition, treatment response, and any complications that arise, as these factors can influence billing and reimbursement rates. Additionally, understanding payer policies regarding hematological malignancies is critical for successful claims processing.

Resources

Clinical References

  • •
    Official ICD-10 Guidelines for C84

Coding & Billing References

  • •
    Official ICD-10 Guidelines for C84

Frequently Asked Questions

What conditions are included in C84?

C84 includes various mature T/NK-cell lymphomas such as peripheral T-cell lymphoma, angioimmunoblastic T-cell lymphoma, and adult T-cell leukemia/lymphoma.

When should I use C84 codes?

C84 codes should be used when documenting diagnoses of mature T/NK-cell lymphomas, ensuring that the specific subtype is accurately captured.

What documentation is required for C84?

Documentation should include the specific diagnosis, subtype of lymphoma, clinical findings, and any relevant treatment plans to support the use of C84 codes.