K65.1

Billable

Peritoneal abscess

K65.1 is the ICD-10-CM code for Peritoneal abscess. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
K00-K95
Parent
K65
Edition
FY2026

K00-K95 Diseases of the digestive system

What this means — in plain language

MedlinePlus · NIH

An abscess is a pocket of pus. You can get an abscess almost anywhere in your body. When an area of your body becomes infected, your body's immune system tries to fight the infection. White blood cells go to the infected area, collect within the damaged tissue, and cause inflammation. During this process, pus forms. Pus is a mixture of living and dead white blood cells, germs, and dead tissue. Bacteria, viruses,…

Read more about Abscess at MedlinePlus ↗

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

Includes

  • Abdominopelvic abscess
  • Abscess (of) omentum
  • Abscess (of) peritoneum
  • Mesenteric abscess
  • Retrocecal abscess
  • Subdiaphragmatic abscess
  • Subhepatic abscess
  • Subphrenic abscess

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code K65.1?
K65.1 is the ICD-10-CM code for "Peritoneal abscess". It falls under K00-K95 Diseases of the digestive system.
Is K65.1 a billable code?
Yes — K65.1 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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