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ICD-10 Coding for Lymphadenopathy(R59.0, R59.1, R59.9)

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

Also known as:

Swollen Lymph NodesLymph Node Enlargement

Related ICD-10 Code Ranges

Complete code families applicable to Lymphadenopathy

R59Primary Range

Enlarged lymph nodes

This range includes codes for localized, generalized, and unspecified lymphadenopathy.

Acute lymphadenitis

This range is used when lymphadenopathy is due to an acute infection.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
R59.0Localized enlarged lymph nodesUse when lymphadenopathy is confined to a single anatomical region.
  • Physical exam showing enlarged nodes in a single region
  • Imaging confirming localized node enlargement
R59.1Generalized enlarged lymph nodesUse when lymphadenopathy is present in two or more non-contiguous regions.
  • Physical exam showing enlarged nodes in multiple regions
  • Laboratory tests indicating systemic disease
R59.9Enlarged lymph nodes, unspecifiedUse when documentation does not specify whether lymphadenopathy is localized or generalized.
  • Lack of specific documentation regarding localization or generalization

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 localized lymphadenopathy

Essential facts and insights about Lymphadenopathy

The ICD-10 code for localized lymphadenopathy is R59.0, used when lymphadenopathy is confined to a single anatomical region.

Primary ICD-10-CM Codes for lymphadenopathy

Localized enlarged lymph nodes
Billable Code

Decision Criteria

clinical Criteria

  • Node enlargement confined to one region

Applicable To

  • Localized lymphadenopathy

Excludes

  • Lymphadenitis (L04.-)

Clinical Validation Requirements

  • Physical exam showing enlarged nodes in a single region
  • Imaging confirming localized node enlargement

Code-Specific Risks

  • Misclassification if generalized lymphadenopathy is present

Coding Notes

  • Ensure documentation specifies the region of lymphadenopathy.

Ancillary Codes

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

Acute tonsillitis, unspecified

J03.90
Use when lymphadenopathy is secondary to acute tonsillitis.

Chronic lymphocytic leukemia of B-cell type, not having achieved remission

C91.10
Use when lymphadenopathy is secondary to leukemia.

Differential Codes

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

Acute lymphadenitis of face, head and neck

L04.0
Presence of infection and inflammation in lymph nodes

Non-Hodgkin lymphoma, unspecified, without mention of remission

C85.90
Histological confirmation of lymphoma

Acute lymphadenitis of upper limb

L04.2
Presence of infection and inflammation in lymph nodes

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Lymphadenopathy to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R59.0.

Impact

Clinical: May lead to inappropriate treatment decisions, Regulatory: Non-compliance with coding standards, Financial: Potential for reduced reimbursement

Mitigation Strategy

Train providers on the importance of detailed documentation, Use templates to ensure all necessary information is captured

Impact

Reimbursement: May lead to lower reimbursement rates, Compliance: Could result in non-compliance with coding guidelines, Data Quality: Reduces specificity and accuracy of health records

Mitigation Strategy

Encourage specific documentation to use R59.0 or R59.1

Impact

Risk of audits due to unspecified coding of lymphadenopathy

Mitigation Strategy

Ensure detailed documentation and use of specific codes

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

Documentation Templates for Lymphadenopathy

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

Initial evaluation of lymphadenopathy

Specialty: Internal Medicine

Required Elements

  • Node size and location
  • Tenderness and mobility
  • Associated symptoms
  • Imaging and lab results

Example Documentation

Patient presents with a 3 cm firm, mobile node in the right cervical region. CT scan shows no additional abnormalities. Plan for biopsy.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has swollen lymph nodes.
Good Documentation Example
Patient has a 3 cm firm, mobile node in the right cervical region, with no additional abnormalities on CT.
Explanation
The good example provides specific details about the node's size, location, and imaging results, supporting accurate coding.

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

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