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D72.9

✓ Billable

Disorder of white blood cells, unspecified

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

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Also Known As

Abnormal leukocyte differential NOS

❌ Excludes1

inherited from D72

Rules from parent category D72: Other disorders of white blood cells

  • • basophilia (D72.824)
  • • immunity disorders (D80-D89)
  • • preleukemia (syndrome) (D46.9)

⚠️ Excludes2

inherited from D72

Rules from parent category D72: Other disorders of white blood cells

  • • neutropenia (D70)

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Code Information

CodeD72.9
BillableYes
ParentD72
CategoryDiseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Excludes13 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)