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ICD-10 Coding for Splenomegaly(R16.1, R16.2, D73.0)

Complete ICD-10-CM coding and documentation guide for Splenomegaly. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Enlarged SpleenSpleen Enlargement

Related ICD-10 Code Ranges

Complete code families applicable to Splenomegaly

R16-R19Primary Range

Symptoms and signs involving the digestive system and abdomen

This range includes codes for splenomegaly and related conditions.

Diseases of spleen

This range includes hypersplenism, which can be related to splenomegaly.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
R16.1Splenomegaly, not elsewhere classifiedUse when splenomegaly is idiopathic or unspecified.
  • Palpable spleen on two separate exams
  • Imaging showing spleen ≥13 cm (US) or >10 cm (CT)
R16.2Hepatomegaly with splenomegaly, not elsewhere classifiedUse when both liver and spleen are enlarged without a known cause.
  • Liver span >15 cm and spleen ≥13 cm on imaging
D73.0HypersplenismUse when splenomegaly is associated with cytopenias.
  • Platelets <100K with splenomegaly

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for splenomegaly

Essential facts and insights about Splenomegaly

The ICD-10 code for splenomegaly, not elsewhere classified, is R16.1. Use this code when the cause of splenomegaly is idiopathic or unspecified.

Primary ICD-10-CM Codes for splenomegaly

Splenomegaly, not elsewhere classified
Billable Code

Decision Criteria

clinical Criteria

  • Spleen size confirmed by imaging or palpation.

Applicable To

  • Idiopathic splenomegaly

Excludes

  • Splenomegaly due to specific diseases (e.g., CLL)

Clinical Validation Requirements

  • Palpable spleen on two separate exams
  • Imaging showing spleen ≥13 cm (US) or >10 cm (CT)

Code-Specific Risks

  • Incorrect use when a specific cause is identified.

Coding Notes

  • Ensure documentation confirms idiopathic nature if no cause is identified.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Hypersplenism

D73.0
Use when splenomegaly causes cytopenias.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Chronic lymphocytic leukemia with splenomegaly

C91.11
Use when splenomegaly is due to CLL.

Cirrhosis of liver, unspecified

K74.60
Use when hepatosplenomegaly is due to cirrhosis.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Splenomegaly to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R16.1.

Impact

Clinical: Inadequate clinical assessment., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation Strategy

Always include imaging or exam findings in notes.

Impact

Reimbursement: May lead to incorrect DRG assignment., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Identify and code the underlying condition first.

Impact

Risk of inadequate documentation leading to audit flags.

Mitigation Strategy

Ensure thorough documentation of clinical findings.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Splenomegaly, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Splenomegaly

Use these documentation templates to ensure complete and accurate documentation for Splenomegaly. These templates include all required elements for proper coding and billing.

Gastroenterology Consult

Specialty: Gastroenterology

Required Elements

  • History of present illness
  • Physical exam findings
  • Imaging results
  • Assessment and plan

Example Documentation

**HPI:** 62M with 6-month history of early satiety. Denies alcohol use or recent infections. **Physical Exam:** - Abdomen: Spleen palpable 8 cm below LCM, firm/nontender. Liver span 12 cm. No ascites. **Imaging:** - CT abdomen (12/1/25): Spleen 16 cm, liver 15 cm. No portal hypertension. **Assessment:** Idiopathic hepatosplenomegaly (R16.2). Rule out myeloproliferative disorder.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Enlarged spleen noted.
Good Documentation Example
Spleen measures 15 cm on US (12/1/25); no history of liver disease or malignancy.
Explanation
The good example provides specific measurements and rules out common etiologies.

Need help with ICD-10 coding for Splenomegaly? Ask your questions below.

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