M00

Non-billable

Pyogenic arthritis

M00 is the ICD-10-CM code for Pyogenic arthritis. It is a non-billable category code — use a more specific child code such as M00.0 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Subcodes
5
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

Most kinds of arthritis cause pain and swelling in your joints. Joints are places where two bones meet, such as your elbow or knee. Infectious arthritis is an infection in the joint. The infection comes from a bacterial, viral, or fungal infection that spreads from another part of the body. Symptoms of infectious arthritis include: Intense pain in the joint Joint redness and swelling Chills and fever Inability to…

Read more about Infectious Arthritis at MedlinePlus ↗

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

Excludes2 — not included here

  • infection and inflammatory reaction due to internal joint prosthesis (T84.5-)

Frequently asked questions

What is ICD-10 code M00?
M00 is the ICD-10-CM code for "Pyogenic arthritis". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M00 a billable code?
No — M00 is a non-billable header code. Use a more specific child code (such as M00.0) for billing.
What are the subcodes of M00?
M00 has 5 more specific child codes, including M00.0, M00.1, M00.2.

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

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.