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ICD-10 Coding for Enlarged Lymph Node(R59.0, R59.1, R59.9, I88.9)

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

Also known as:

LymphadenopathySwollen Lymph Nodes

Related ICD-10 Code Ranges

Complete code families applicable to Enlarged Lymph Node

R59Primary Range

Enlarged lymph nodes

This range covers the primary codes for lymphadenopathy, including localized, generalized, and unspecified types.

Nonspecific lymphadenitis

This range is relevant when inflammation of lymph nodes is confirmed, distinguishing it from non-inflammatory enlargement.

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 region and no underlying cause is identified.
  • Ultrasound showing node size ≥1.5 cm
  • Palpable nodes in a single region
R59.1Generalized enlarged lymph nodesUse when lymphadenopathy is present in two or more non-contiguous regions.
  • CT/PET scan showing nodes in multiple regions
  • Associated symptoms like fever and weight loss
R59.9Enlarged lymph nodes, unspecifiedUse only when no specific location or cause is documented.
  • Vague documentation without specific location
I88.9Nonspecific lymphadenitisUse when inflammation of lymph nodes is confirmed.
  • CRP >10 mg/L, positive culture

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 enlarged lymph nodes

Essential facts and insights about Enlarged Lymph Node

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

Primary ICD-10-CM Codes for enlarged lymph node

Localized enlarged lymph nodes
Billable Code

Decision Criteria

clinical Criteria

  • Node size and location must be documented.

Applicable To

  • Cervical lymphadenopathy
  • Axillary lymphadenopathy

Excludes

  • Generalized lymphadenopathy (R59.1)
  • Lymphadenitis (I88.9)

Clinical Validation Requirements

  • Ultrasound showing node size ≥1.5 cm
  • Palpable nodes in a single region

Code-Specific Risks

  • Risk of using without specifying location

Coding Notes

  • Ensure to document the specific location of the lymphadenopathy.

Ancillary Codes

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

Streptococcus, group A, as the cause of diseases classified elsewhere

B95.0
Use when lymphadenopathy is due to streptococcal infection.

HIV disease

B20
Use when generalized lymphadenopathy is due to HIV.

Differential Codes

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

Nonspecific lymphadenitis

I88.9
Use I88.9 if inflammation is confirmed with erythema and elevated CRP.

Non-Hodgkin lymphoma, unspecified

C85.9
Use C85.9 if lymphoma is confirmed as the cause.

Localized enlarged lymph nodes

R59.0
Use R59.0 if no inflammation is present.

Documentation & Coding Risks

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

Impact

Clinical: Inaccurate clinical picture and treatment plan, Regulatory: Non-compliance with coding guidelines, Financial: Potential for denied claims or reduced reimbursement

Mitigation Strategy

Always assess and document potential underlying causes, Use additional codes for confirmed conditions

Impact

Reimbursement: Reduced reimbursement due to lack of specificity, Compliance: Non-compliance with coding guidelines, Data Quality: Poor data quality and inaccurate clinical records

Mitigation Strategy

Specify R59.0 or R59.1 with exact site

Impact

Reimbursement: Incorrect DRG assignment affecting reimbursement, Compliance: Violation of sequencing rules, Data Quality: Misleading clinical data regarding treatment focus

Mitigation Strategy

Code lymphoma first if treatment is directed at cancer

Impact

Frequent use of R59.9 can trigger audits due to lack of specificity.

Mitigation Strategy

Encourage 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 Enlarged Lymph Node, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Enlarged Lymph Node

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

Localized lymphadenopathy due to infection

Specialty: Internal Medicine

Required Elements

  • Location and size of lymph nodes
  • Tenderness and consistency
  • Associated symptoms
  • Diagnostic tests and results

Example Documentation

Patient presents with a 2 cm tender, firm right cervical node. Positive strep test. Ultrasound shows loss of fatty hilum.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Swollen neck node.
Good Documentation Example
2 cm firm, tender left submandibular node without overlying erythema.
Explanation
The good example provides specific location, size, and characteristics, which are essential for accurate coding.

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

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