ICD-10 Code M01.X62 – Direct infection of left knee in infectious and parasitic diseases classified elsewhere (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code M01.X62 – Direct infection of left knee in infectious and parasitic diseases classified elsewhere
What it is
This code identifies a direct infection of the left knee caused by an infectious or parasitic disease classified elsewhere. Use it when the knee involvement is documented as secondary to another underlying infection.
Clinical signs
Typical findings include a painful, swollen, warm left knee with reduced motion. Clinical features vary; refer to documentation for the causal infection and whether the joint involvement is confirmed.
When to use this code
Use this code when the record states the left knee is directly infected and the infectious or parasitic cause is documented elsewhere in the chart. You should also have clear linkage between the knee infection and the underlying disease. If the source infection is not specified, check documentation before coding.
Do not use for
Do not use it for nonspecific knee pain, trauma, or degenerative joint disease. Do not use it when the infection is not documented as involving the left knee.
Coding tip
Verify the underlying infectious or parasitic condition and code it separately when required.