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ICD-10 Coding for Enlarged Spleen(R16.1, D73.0)

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

Also known as:

SplenomegalySpleen Enlargement

Related ICD-10 Code Ranges

Complete code families applicable to Enlarged Spleen

R16-R19Primary Range

Symptoms and signs involving the digestive system and abdomen

This range includes codes for splenomegaly and related conditions.

Other disorders of blood and blood-forming organs

Includes codes for hypersplenism and other hematologic conditions causing 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 spleen enlargement is present without identified underlying cause.
  • Imaging showing spleen size ≥13 cm
  • Physical exam documenting palpable spleen
D73.0HypersplenismUse when splenomegaly is associated with hypersplenism.
  • CBC showing cytopenias
  • Bone marrow biopsy ruling out primary disorders

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 enlarged spleen

Essential facts and insights about Enlarged Spleen

The ICD-10 code for an enlarged spleen not elsewhere classified is R16.1.

Primary ICD-10-CM Codes for enlarged spleen

Splenomegaly, not elsewhere classified
Billable Code

Decision Criteria

clinical Criteria

  • Spleen size ≥13 cm on imaging

coding Criteria

  • No identifiable underlying cause

Applicable To

  • Isolated spleen enlargement

Excludes

  • Hepatosplenomegaly (R16.2)

Clinical Validation Requirements

  • Imaging showing spleen size ≥13 cm
  • Physical exam documenting palpable spleen

Code-Specific Risks

  • Avoid using if underlying cause is known.

Coding Notes

  • Ensure documentation includes spleen size and method of confirmation.

Ancillary Codes

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

Hypersplenism

D73.0
Use when splenomegaly is due to hypersplenism.

Differential Codes

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

Hepatosplenomegaly, not elsewhere classified

R16.2
Use when both liver and spleen are enlarged.

Essential thrombocythemia

D47.3
Use when thrombocythemia is primary.

Documentation & Coding Risks

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

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims due to insufficient documentation.

Mitigation Strategy

Use standardized templates for documentation., Ensure imaging results are included in the patient record.

Impact

Reimbursement: Incorrect sequencing can affect DRG assignment., Compliance: May lead to non-compliance with coding guidelines., Data Quality: Impacts the accuracy of clinical data.

Mitigation Strategy

Sequence the underlying condition first, followed by R16.1.

Impact

Risk of audits due to insufficient documentation of spleen size.

Mitigation Strategy

Implement mandatory documentation of imaging results for all splenomegaly diagnoses.

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 Enlarged Spleen, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Enlarged Spleen

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

Hematology Consultation

Specialty: Hematology

Required Elements

  • Spleen size and method of measurement
  • Associated symptoms and lab findings
  • Underlying conditions considered

Example Documentation

Patient presents with splenomegaly measuring 15 cm on ultrasound. CBC shows thrombocytopenia. Suspected hypersplenism secondary to essential thrombocythemia.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Enlarged spleen noted.
Good Documentation Example
Spleen palpable 4 cm below costal margin, confirmed by ultrasound measuring 15 cm. Platelet count 85,000/μL consistent with hypersplenism.
Explanation
The good example provides specific measurements and lab results, supporting the diagnosis.

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

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