ICD-10-CM category
A55: Chlamydial lymphogranuloma (venereum)
A55 is “Chlamydial lymphogranuloma (venereum)”. It has no subcodes in this category.
Frequently asked questions
What is ICD-10-CM code A55?
A55 is the ICD-10-CM code for Chlamydial lymphogranuloma (venereum).
Is A55 billable?
Yes — A55 is a valid, billable ICD-10-CM code (it has no further subdivisions).
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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