A59.00 is the authoritative medical code for Urogenital trichomoniasis, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for urogenital trichomoniasis, unspecified (ICD-10-CM A59.00), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Urogenital trichomoniasis, unspecified is a billable ICD-10-CM diagnosis code A59.00. Inclusion terms: Fluor vaginalis due to Trichomonas; Leukorrhea vaginalis due to Trichomonas. Excludes1 (not coded here): nonspecific and nongonococcal urethritis N34.1; Reiter's disease M02.3-. Excludes2 (not included here): intestinal trichomoniasis A07.8; human immunodeficiency virus HIV disease B20.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for A59.00 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Fluor vaginalis due to Trichomonas
- Leukorrhea vaginalis due to Trichomonas
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- nonspecific and nongonococcal urethritis N34.1
- Reiter's disease M02.3-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- intestinal trichomoniasis A07.8
- human immunodeficiency virus HIV disease B20
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with A59.00?
Per Excludes1 instructions, A59.00 must not be reported with: nonspecific and nongonococcal urethritis (N34.1); Reiter's disease (M02.3-).
Can A59.00 be reported alongside related conditions?
Per Excludes2 instructions, A59.00 and the following may both be reported when both are present: intestinal trichomoniasis (A07.8); human immunodeficiency virus [HIV] disease (B20).
What conditions are included under A59.00?
Urogenital trichomoniasis, unspecified includes: Fluor (vaginalis) due to Trichomonas; Leukorrhea (vaginalis) due to Trichomonas.
Codes in This Family (8)
Official ICD-10-CM classifications in the same code family as A59.00, with their registry titles.
- A59 — Trichomoniasis
- A59.0 — Urogenital trichomoniasis
- 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
Indexed Clinical Terms (5)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Fluor (vaginalis), trichomonal or due to Trichomonas (vaginalis)
- Infection, infected, infective (opportunistic), Trichomonas, urogenitalis
- Leukorrhea, due to Trichomonas (vaginalis)
- Leukorrhea, trichomonal
- Trichomoniasis, urogenitalis
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code A54.00
Gonococcal infection of lower genitourinary tract, unspecified
ICD Code A56.00
Chlamydial infection of lower genitourinary tract, unspecified