A59
Non-billableTrichomoniasis
A59 is the ICD-10-CM code for Trichomoniasis. It is a non-billable category code — use a more specific child code such as A59.0 for billing.
- Status
- Header (non-billable)
- Chapter
- A00-B99
- Subcodes
- 3
- Edition
- FY2026
A00-B99 Certain infectious and parasitic diseases
What this means — in plain language
MedlinePlus · NIHTrichomoniasis is a sexually transmitted infection (STI) caused by a parasite. It spreads from person to person during sex. Many people do not have any symptoms. If you do get symptoms, they usually happen within 5 to 28 days after being infected. It can cause vaginitis in women. Symptoms include: Yellow-green or gray discharge from the vagina Discomfort during sex Vaginal odor Painful urination Itching burning, and…
Read more about Trichomoniasis at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
- •intestinal trichomoniasis (A07.8)
Medications indicated for this condition
FDA labeling- MetronidazoleNitroimidazole Antimicrobial [EPC]›
- Metronidazole OralNitroimidazole Antimicrobial [EPC]›
- SecnidazoleNitroimidazole Antimicrobial [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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