A55

Billable

Chlamydial lymphogranuloma (venereum)

A55 is the ICD-10-CM code for Chlamydial lymphogranuloma (venereum). It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
A00-B99
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

What is chlamydia? Chlamydia is a common sexually transmitted infection (STI). It is caused by bacteria called Chlamydia trachomatis . Anyone can get chlamydia. It often doesn't cause symptoms, so people may not know that they have it. Antibiotics can cure it. But if it's not treated, chlamydia can cause serious health problems. How is chlamydia spread? You can get chlamydia during oral, vaginal, or anal sex with…

Read more about Chlamydia Infections at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Climatic or tropical bubo
  • Durand-Nicolas-Favre disease
  • Esthiomene
  • Lymphogranuloma inguinale

Frequently asked questions

What is ICD-10 code A55?
A55 is the ICD-10-CM code for "Chlamydial lymphogranuloma (venereum)". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A55 a billable code?
Yes — A55 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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