M70.40
Prepatellar bursitis, unspecified knee
Clinical Classification Guidelines
Medical Intelligence & Overview
Prepatellar bursitis, also known as housemaid's knee, is an inflammation of the bursa located in front of the kneecap (patella). The bursa is a small fluid-filled sac that helps reduce friction between tissues, such as bones and tendons, during movement. When this bursa becomes inflamed or swollen, it can lead to discomfort and may interfere with regular activities. The ICD-10 code M70.40 specifically refers to cases of prepatellar bursitis where no additional specifics about the condition are provided.
Causes & Symptoms
Clinical Causes: Repeated kneeling or pressure on the kneecap, often due to work or sports activities Trauma or direct injury to the front of the knee Infections, sometimes resulting from cuts or wounds near the knee Chronic irritation from prolonged activities that put stress on the knee Underlying inflammatory conditions like gout or rheumatoid arthritis
Key Symptoms: Swelling and visible puffiness in front of the kneecap Tenderness when touching or pressing on the knee Pain during kneeling, bending, or straightening the leg Stiffness and limited range of motion in the knee joint Redness and warmth around the affected area in some cases
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a physical examination to assess swelling, tenderness, and range of motion. The healthcare provider may review the patient's activity history and look for signs of infection or injury. Diagnostic tests can include:
Treatment Protocols: Managing prepatellar bursitis depends on the severity and cause. Common treatments include:
Clinical Advice & FAQs
Billing Guidance
Is M70.40 a billable ICD-10 code?
Yes, M70.40 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report M70.40?
Clinical documentation must specify the nature of Prepatellar bursitis, unspecified knee and any associated comorbidities for accurate reporting.
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