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A59

⚠ Non-billable (Header)

Trichomoniasis

Certain infectious and parasitic diseases (A00-B99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • intestinal trichomoniasis (A07.8)

Child Codes (3)

A59.0Urogenital trichomoniasisA59.8Trichomoniasis of other sitesA59.9Trichomoniasis, unspecified

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Code Information

CodeA59
BillableNo — Header code
CategoryCertain infectious and parasitic diseases (A00-B99)
Excludes10 rule(s)
Excludes21 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)