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v1.0.0
ICD-10 Guide
ICD-10 CodesD83.1

D83.1

Billable

Common variable immunodeficiency with predominant immunoregulatory T-cell disorders

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

Code Description

ICD-10 D83.1 is a billable code used to indicate a diagnosis of common variable immunodeficiency with predominant immunoregulatory t-cell disorders.

Key Diagnostic Point:

Common variable immunodeficiency (CVID) is a primary immunodeficiency disorder characterized by low levels of serum immunoglobulins and an increased susceptibility to infections. In patients with predominant immunoregulatory T-cell disorders, there is a dysfunction in T-cell regulation, leading to an imbalance in immune responses. This can result in autoimmune manifestations, lymphoproliferative disorders, and an increased risk of malignancies. Clinically, patients may present with recurrent bacterial infections, particularly of the respiratory and gastrointestinal tracts, as well as chronic diarrhea and autoimmune conditions such as autoimmune hemolytic anemia or thrombocytopenia. Diagnosis is typically made through serological testing showing low immunoglobulin levels and the exclusion of other causes of hypogammaglobulinemia. Management often involves immunoglobulin replacement therapy and treatment of infections and autoimmune complications. Regular monitoring is essential to manage the risk of complications associated with this condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between CVID and other immunodeficiencies
  • Understanding the immunological basis of T-cell disorders
  • Documenting associated autoimmune conditions
  • Navigating the complexities of immunoglobulin therapy

Audit Risk Factors

  • Inadequate documentation of immunoglobulin levels
  • Failure to document associated autoimmune conditions
  • Misclassification of the type of immunodeficiency
  • Lack of follow-up documentation for treatment efficacy

Specialty Focus

Medical Specialties

Immunology

Documentation Requirements

Detailed immunological assessments, including immunoglobulin levels and T-cell function tests.

Common Clinical Scenarios

Patients presenting with recurrent infections, autoimmune disorders, or lymphoproliferative diseases.

Billing Considerations

Ensure comprehensive documentation of all clinical manifestations and treatments to support coding.

Hematology

Documentation Requirements

Complete blood counts, reticulocyte counts, and documentation of any hematologic complications.

Common Clinical Scenarios

Patients with autoimmune hemolytic anemia or thrombocytopenia secondary to CVID.

Billing Considerations

Document any transfusions or treatments related to hematologic conditions.

Coding Guidelines

Inclusion Criteria

Use D83.1 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the immunodeficiency type and any associated conditions
  • Include specific details about the patient's clinical presentation and treatment

Exclusion Criteria

Do NOT use D83.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

J1459CPT Code

Injection, immune globulin, intramuscular

Clinical Scenario

Used for patients receiving immunoglobulin therapy for CVID.

Documentation Requirements

Document the indication for therapy and patient response.

Specialty Considerations

Immunology specialists should ensure that the therapy is linked to the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of immunodeficiencies, improving the accuracy of data collection and reimbursement for complex cases like CVID.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of immunodeficiencies, improving the accuracy of data collection and reimbursement for complex cases like CVID.

Reimbursement & Billing Impact

reimbursement for complex cases like CVID.

Resources

Clinical References

  • •
    American Academy of Allergy, Asthma & Immunology

Coding & Billing References

  • •
    American Academy of Allergy, Asthma & Immunology

Frequently Asked Questions

What is the primary treatment for CVID?

The primary treatment for CVID is immunoglobulin replacement therapy, which helps to prevent infections and manage autoimmune complications.