A59.9 Trichomoniasis, unspecified

Billable ICD-10-CM code, FY2026.

Applies from A59 Trichomoniasis

Excludes2 (not included here)

• intestinal trichomoniasis (A07.8)

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 131.9 Trichomoniasis, unspecified

Code annotations containing back-references to A59.9

Back-references to A59

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Diagnosis Index entries for A59.9

• Infection, infected, infective (opportunistic) › Trichomonas
• Pruritus, pruritic (essential) › Trichomonas
• Trichomoniasis

Nearby codes

• A59.01 Trichomonal vulvovaginitis
• A59.02 Trichomonal prostatitis
• A59.03 Trichomonal cystitis and urethritis
• A59.09 Other urogenital trichomoniasis
• A59.8 Trichomoniasis of other sites
• A59.9 Trichomoniasis, unspecified (this code)