D72.81

⚠ Non-billable (Header)

Decreased white blood cell count

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

⚠️ This is a category header code — not billable. Use a more specific child code below.

❌ Excludes1

inherited from D72.8

Rules from parent category D72.8: Other specified disorders of white blood cells

direct

May be coded together if both conditions coexist

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Code Information

CodeD72.81

BillableNo — Header code

ParentD72.8

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

Excludes11 rule(s)

Excludes21 note(s)

Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)