What is the ICD-10 code for localized enlarged lymph nodes?

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

How do you code generalized lymphadenopathy?

Generalized lymphadenopathy is coded as R59.1 when lymph nodes are enlarged in two or more non-contiguous regions.

When should I use the code I88.9?

Use I88.9 for nonspecific lymphadenitis when inflammation of lymph nodes is confirmed with signs like erythema and elevated CRP.

ICD-10 Coding for Enlarged Lymph Node(R59.0, B95.0, C85.9)

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Explore ICD-10 codes for enlarged lymph nodes, including R59.0, R59.1, and I88.9. Learn about documentation requirements and coding pitfalls.

Also known as:

LymphadenopathySwollen Lymph Nodes

Related ICD-10 Code Ranges

Complete code families applicable to Enlarged Lymph Node

R00-R99Primary Range

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
R59.0	Localized enlarged lymph nodes	Use 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
R59.1	Generalized enlarged lymph nodes	Use 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
R59.9	Enlarged lymph nodes, unspecified	Use only when no specific location or cause is documented.	Vague documentation without specific location
I88.9	Nonspecific lymphadenitis	Use when inflammation of lymph nodes is confirmed.	CRP >10 mg/L positive culture

Primary ICD-10-CM Codes

Localized enlarged lymph nodes

R59.0Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Nonspecific lymphadenitisI88.9

Non-Hodgkin lymphoma, unspecifiedC85.9

Localized enlarged lymph nodesR59.0

Documentation & Coding Risks

Avoid these common issues when documenting Enlarged Lymph Node.

Failing to document underlying condition

Impact

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

Mitigation

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

Using R59.9 when location is documented

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

Specify R59.0 or R59.1 with exact site

Sequencing lymphoma as secondary

Impact

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

Mitigation

Code lymphoma first if treatment is directed at cancer

Use of unspecified codes

Impact

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

Mitigation

Encourage detailed documentation and use of specific codes.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with R59.0.

Primary Code

R59.0

Localized enlarged lymph nodes

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ICD-10 codes6

Coding risks4

FAQs3

ICD-10 Coding for Enlarged Lymph Node(R59.0, B95.0, C85.9)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for localized enlarged lymph nodes?

How do you code generalized lymphadenopathy?

When should I use the code I88.9?

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