M23.004
Cystic meniscus, unspecified medial meniscus, left knee
Clinical Classification Guidelines
Medical Intelligence & Overview
Cystic meniscus refers to a condition involving the development of a fluid-filled sac or cyst within the meniscus of the knee. Specifically, ICD-10 code M23.004 designates an issue with the unspecified medial meniscus in the left knee. The menisci are two crescent-shaped cartilage structures that cushion the knee joint, aiding in stability and load distribution. When a cyst forms within the meniscus, it can cause pain, swelling, and restricted mobility, affecting daily activities and overall knee function.
Causes & Symptoms
Clinical Causes: Degenerative changes due to aging or wear and tear over time Trauma or injury to the knee, such as twisting motions or direct impact Repetitive stress or overuse from sports or physical activities Concurrent meniscal tears or cartilage damage that promote cyst formation Underlying joint conditions like osteoarthritis that weaken knee structures
Key Symptoms: Persistent or intermittent knee pain, especially during movement Swelling or a feeling of fullness in the knee joint Limited range of motion or stiffness in the knee A sensation of catching, locking, or giving way during knee movement Discomfort when bearing weight or standing for long periods Tenderness around the inside of the knee (medial side)
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a combination of clinical evaluation and imaging studies. A healthcare professional will examine the knee for swelling, tenderness, and range of motion. Imaging tests include:
Treatment Protocols: Management of cystic meniscus depends on the severity of symptoms, the size of the cyst, and patient activity levels. Common treatment options include:
Clinical Advice & FAQs
Billing Guidance
Is M23.004 a billable ICD-10 code?
Yes, M23.004 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report M23.004?
Clinical documentation must specify the nature of Cystic meniscus, unspecified medial meniscus, left knee and any associated comorbidities for accurate reporting.
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