L03.91
BillableAcute lymphangitis, unspecified
L03.91 is the ICD-10-CM code for Acute lymphangitis, unspecified. It is a billable, specific code valid for reimbursement.
L00-L99 Diseases of the skin and subcutaneous tissue
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
- •lymphangitis NOS (I89.1)
Frequently asked questions
- What is ICD-10 code L03.91?
- L03.91 is the ICD-10-CM code for "Acute lymphangitis, unspecified". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
- Is L03.91 a billable code?
- Yes — L03.91 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from L03.91?
- Excludes1 (not coded here): lymphangitis NOS (I89.1).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition