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CurrentApr 1, 2026 – Sep 30, 2026

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CurrentApr 1, 2026 – Sep 30, 2026

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Chapters Disease index External causes Drugs and chemicals Neoplasms Official sources

ICD-10-CM · FY2026 · April / Chapters 1 / Rickettsioses (A75-A79)

Rickettsioses (A75-A79)

A75-A79 · 4 Entries

More specific codes (4)

A75Typhus feverCategory · further specificity required→A77Spotted fever [tick-borne rickettsioses]Category · further specificity required→A78Q feverBillable / specific→A79Other rickettsiosesCategory · further specificity required→

ICD-10-CM · CDC/NCHS · English

Official ICD-10-CM titles and instructions are preserved in English. Interface translations are provided by ICD Code Hub, not CDC or WHO.

CDC / NCHS · Apr 1, 2026 – Sep 30, 2026