ICD-10-CM Billable Code

D73.0

Hyposplenism

Clinical Classification Guidelines

Inclusion Terms

  • Atrophy of spleen

Excludes Type 1

  • asplenia (congenital) (Q89.01)
  • postsurgical absence of spleen (Z90.81)

Medical Intelligence & Overview

Hyposplenism, also known as decreased spleen function, is a condition characterized by the reduced ability of the spleen to perform its normal functions. The spleen plays a vital role in filtering blood, recycling old red blood cells, and supporting the immune system. When the spleen’s activity diminishes, it can lead to an increased risk of infections and other health issues. This condition can sometimes be associated with spleen atrophy, where the organ decreases in size and function. Recognizing the signs and understanding the causes of hyposplenism is essential for managing its impacts effectively.

Causes & Symptoms

Clinical Causes: Chronic diseases leading to spleen tissue damage or atrophy, such as sickle cell disease or other hemoglobinopathies Previous splenic injury or trauma causing partial or complete loss of spleen tissue Splenectomy, where surgical removal of the spleen results in functional hyposplenism Infections affecting the spleen, such as malaria or certain bacterial infections Autoimmune conditions that target spleen tissue Radiation therapy involving the upper abdomen Congenital conditions leading to abnormal spleen development

Key Symptoms: Increased susceptibility to bacterial infections, especially encapsulated bacteria like Streptococcus pneumoniae Frequent or severe episodes of infection Signs of anemia, such as fatigue and pallor Splenomegaly (enlarged spleen) in some cases, though atrophy typically results in a smaller spleen Less commonly, abdominal pain or full sensation in the upper left abdomen

Diagnostic & Treatment

Diagnosis Path: Diagnosis of hyposplenism involves a combination of clinical assessments and laboratory tests. Healthcare providers may perform imaging studies like ultrasound or CT scans to evaluate spleen size or structure. Blood tests can reveal abnormal blood cell counts and function. Specific tests to assess spleen function include:

Treatment Protocols: Preventive vaccinations against common pathogens, such as pneumococcus, meningococcus, and Haemophilus influenzae Prophylactic antibiotics for individuals at high risk of infection Regular health check-ups to monitor immune status Prompt treatment of infections when they occur Educating patients about the importance of seeking medical care early for symptoms of infection In some cases, splenectomy may be performed, which necessitates lifelong preventive measures

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is D73.0 a billable ICD-10 code?
Yes, D73.0 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report D73.0?
Clinical documentation must specify the nature of Hyposplenism and any associated comorbidities for accurate reporting.

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