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U.S. ICD-10-CM reference · FY2026 · April

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ICD-10-CM · FY2026 · April / Chapters 18 / Ill-defined and unknown cause of mortality (R99)

Ill-defined and unknown cause of mortality (R99)

R99 · 1 Entries

More specific codes (1)

R99Ill-defined and unknown cause of mortalityBillable / specific

CDC / NCHS · ICD-10-CMApr 1, 2026 – Sep 30, 2026

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