M01.X9
BillableDirect infection of multiple joints in infectious and parasitic diseases classified elsewhere
M01.X9 is the ICD-10-CM code for Direct infection of multiple joints in infectious and parasitic diseases classified elsewhere. It is a billable, specific code valid for reimbursement.
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.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code M01.X9?
- M01.X9 is the ICD-10-CM code for "Direct infection of multiple joints in infectious and parasitic diseases classified elsewhere". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
- Is M01.X9 a billable code?
- Yes — M01.X9 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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