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Home/Diagnosis/ICD-10 Coding for Lymph Node Disorders

ICD-10 Coding for Lymph Node Disorders

C77.4
R59.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for lymph node disorders includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Lymphadenopathy
Lymphadenitis
Lymph Node Metastasis
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Key Information: ICD-10 Coding for Lymph Node Disorders

Essential facts and insights about ICD-10 Coding for Lymph Node Disorders

Use ICD-10 code C77.4 for secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes

Billable Code
C77.4
Billable

Diagnostic Criteria

clinical:
  • • Confirmed metastatic disease in lymph nodes
coding:
  • • Primary neoplasm must be coded first if known

Applicable To

  • • Metastasis to inguinal lymph nodes

Important Notes

  • • Ensure documentation specifies the metastatic nature and location of lymph nodes.

Enlarged lymph nodes, unspecified

Billable Code
R59.9
Billable

Diagnostic Criteria

clinical:
  • • Physical exam noting enlarged nodes without specific location
  • • Lack of pathological confirmation of malignancy

Applicable To

  • • Generalized lymphadenopathy

Important Notes

  • • Ensure documentation reflects the non-specific nature of the lymphadenopathy.
Ancillary Codes

Additional codes that may be used with this diagnosis

07TJ0ZZ

Resection of inguinal lymph node, open approach

Use with C77.4 when a surgical procedure is performed.

Frequently Asked Questions

What is the ICD-10 code for lymph node metastasis?

The ICD-10 code for lymph node metastasis is C77.4, used for secondary malignant neoplasm of inguinal and lower limb lymph nodes.

How do you code enlarged lymph nodes?

Enlarged lymph nodes are coded as R59.9 when unspecified or generalized, and R59.0 when localized.

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