A74
Non-billableOther diseases caused by chlamydiae
A74 is the ICD-10-CM code for Other diseases caused by chlamydiae. It is a non-billable category code — use a more specific child code such as A74.0 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 · NIHWhat are bacteria? Bacteria are tiny organisms (living things) that have only one cell. Under a microscope, they look like balls, rods, or spirals. They can be found almost everywhere on Earth. There are lots of bacteria in and on your body. In fact, your body has about 10 times more bacteria cells than human cells. There are many different types of bacteria. Most types don't make you sick. Some types are helpful.…
Read more about Bacterial Infections at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
Excludes2 — not included here
- •chlamydial pneumonia (J16.0)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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