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L04.0

✓ Billable

Acute lymphadenitis of face, head and neck

Diseases of the skin and subcutaneous tissue (L00-L99)

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❌ Excludes1

inherited from L04

Rules from parent category L04: Acute lymphadenitis

  • • chronic or subacute lymphadenitis, except mesenteric (I88.1)
  • • enlarged lymph nodes (R59.-)
  • • human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20)
  • • lymphadenitis NOS (I88.9)
  • • nonspecific mesenteric lymphadenitis (I88.0)

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Code Information

CodeL04.0
BillableYes
ParentL04
CategoryDiseases of the skin and subcutaneous tissue (L00-L99)
Excludes15 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)