M01
Non-billableDirect infections of joint in infectious and parasitic diseases classified elsewhere
M01 is the ICD-10-CM code for Direct infections of joint in infectious and parasitic diseases classified elsewhere. It is a non-billable category code — use a more specific child code such as M01.X for billing.
- Status
- Header (non-billable)
- Chapter
- M00-M99
- Subcodes
- 1
- Edition
- FY2026
M00-M99 Diseases of the musculoskeletal system and connective tissue
What this means — in plain language
MedlinePlus · NIHMost 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.
Excludes1 — not coded here
- •arthropathy in Lyme disease (A69.23)
- •gonococcal arthritis (A54.42)
- •meningococcal arthritis (A39.83)
- •mumps arthritis (B26.85)
- •postinfective arthropathy (M02.-)
- •postmeningococcal arthritis (A39.84)
- •reactive arthritis (M02.3)
- •rubella arthritis (B06.82)
- •sarcoidosis arthritis (D86.86)
- •typhoid fever arthritis (A01.04)
- •tuberculosis arthritis (A18.01-A18.02)
Code first
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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