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CurrentApr 1, 2026 – Sep 30, 2026

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CurrentApr 1, 2026 – Sep 30, 2026

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ICD-10-CM · FY2026 · April / Chapters 1 / Infections with a predominantly sexual mode of transmission (A50-A64)

Infections with a predominantly sexual mode of transmission (A50-A64)

A50-A64 · 13 Entries

More specific codes (13)

A50Congenital syphilisCategory · further specificity required→A51Early syphilisCategory · further specificity required→A52Late syphilisCategory · further specificity required→A53Other and unspecified syphilisCategory · further specificity required→A54Gonococcal infectionCategory · further specificity required→A55Chlamydial lymphogranuloma (venereum)Billable / specific→A56Other sexually transmitted chlamydial diseasesCategory · further specificity required→A57ChancroidBillable / specific→A58Granuloma inguinaleBillable / specific→A59TrichomoniasisCategory · further specificity required→A60Anogenital herpesviral [herpes simplex] infectionsCategory · further specificity required→A63Other predominantly sexually transmitted diseases, not elsewhere classifiedCategory · further specificity required→A64Unspecified sexually transmitted diseaseBillable / specific→

Coding notesExcludes 1 · Excludes 2 · 3

Excludes 1

nonspecific and nongonococcal urethritis (N34.1)
Reiter's disease (M02.3-)

Excludes 2

human immunodeficiency virus [HIV] disease (B20)

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