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D89.89

✓ Billable

Other specified disorders involving the immune mechanism, not elsewhere classified

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

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❌ Excludes1

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Cannot be coded with D89.89

  • • human immunodeficiency virus disease (B20)

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Code Information

CodeD89.89
BillableYes
ParentD89.8
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)