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ICD-10 Guide
ICD-10 CodesChapter 3: Diseases of the blood and blood-forming organsD73

D73

Billable

Diseases of spleen

Chapter 3:Diseases of the blood and blood-forming organs

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

Code Description

ICD-10 D73 is a billable code used to indicate a diagnosis of diseases of spleen.

Key Diagnostic Point:

Diseases of the spleen encompass a variety of conditions that can affect the organ's structure and function, leading to significant clinical implications. The spleen plays a crucial role in the immune system, filtering blood, and recycling iron from red blood cells. Disorders of the spleen can result in neutropenia, which is a decrease in neutrophils, a type of white blood cell essential for fighting infections. Conditions such as hypersplenism can lead to splenic enlargement and increased destruction of blood cells, resulting in anemia and thrombocytopenia. Additionally, splenic disorders can be associated with various immunodeficiencies, where the body's ability to fight infections is compromised. These disorders may arise from infections, malignancies, or autoimmune diseases. Accurate coding of spleen diseases requires a thorough understanding of the underlying conditions, as they can significantly impact patient management and treatment outcomes. Clinicians must document the specific nature of the splenic disorder, any associated hematological abnormalities, and the patient's overall clinical picture to ensure appropriate coding and billing.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying conditions leading to splenic disease.
  • Need for detailed clinical documentation to support diagnosis.
  • Potential for overlapping symptoms with other hematological disorders.
  • Variability in treatment approaches based on specific conditions.

Audit Risk Factors

  • Inadequate documentation of the underlying cause of splenic disease.
  • Failure to specify the type of splenic disorder (e.g., splenomegaly, hypersplenism).
  • Misclassification of splenic disorders with other hematological conditions.
  • Lack of supporting lab results or imaging studies.

Specialty Focus

Medical Specialties

Hematology

Documentation Requirements

Detailed lab results, patient history, and treatment plans.

Common Clinical Scenarios

Patients presenting with anemia, thrombocytopenia, or recurrent infections.

Billing Considerations

Need for comprehensive blood work and possible bone marrow biopsy results.

Immunology

Documentation Requirements

Immunological assessments, history of infections, and response to treatments.

Common Clinical Scenarios

Patients with recurrent infections or autoimmune disorders affecting the spleen.

Billing Considerations

Documentation of immunodeficiency status and any related therapies.

Coding Guidelines

Inclusion Criteria

Use D73 When
  • Follow official ICD
  • CM coding guidelines, ensuring accurate documentation of the specific type of splenic disease
  • Include any relevant laboratory or imaging findings that support the diagnosis
  • Be aware of inclusion criteria for conditions such as splenomegaly and hypersplenism

Exclusion Criteria

Do NOT use D73 When
No specific exclusions found.

Related CPT Codes

85025CPT Code

Complete blood count (CBC) with differential

Clinical Scenario

Used to evaluate blood cell counts in patients with suspected splenic disease.

Documentation Requirements

Document the reason for the CBC and any relevant clinical findings.

Specialty Considerations

Hematology specialists may require additional tests based on CBC results.

88305CPT Code

Pathology examination of spleen biopsy

Clinical Scenario

Performed when splenic disease is suspected based on imaging or lab results.

Documentation Requirements

Document the indication for biopsy and findings from imaging studies.

Specialty Considerations

Immunologists may need to correlate biopsy results with clinical history.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of splenic diseases, improving the ability to capture the nuances of these conditions. This specificity aids in better patient management and more accurate reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of splenic diseases, improving the ability to capture the nuances of these conditions. This specificity aids in better patient management and more accurate reimbursement.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting
  • •
    American Academy of Family Physicians - Coding Resources

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting
  • •
    American Academy of Family Physicians - Coding Resources

Frequently Asked Questions

What are the common causes of diseases of the spleen?

Common causes include infections (like mononucleosis), hematological malignancies (such as lymphoma), autoimmune diseases (like lupus), and congenital conditions affecting splenic function.

How do I differentiate between hypersplenism and splenomegaly?

Hypersplenism refers to the overactivity of the spleen leading to excessive destruction of blood cells, while splenomegaly is simply the enlargement of the spleen, which may or may not be associated with hypersplenism.