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D72.820

✓ Billable

Lymphocytosis (symptomatic)

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

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Also Known As

Elevated lymphocytes

❌ Excludes1

inherited from D72.82

Rules from parent category D72.82: Elevated white blood cell count

  • • eosinophilia (D72.1)

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Code Information

CodeD72.820
BillableYes
ParentD72.82
CategoryDiseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)