Understand patellar dislocation, also known as kneecap dislocation or dislocation of the patella. Find information on diagnosis, treatment, and medical coding for patellar dislocation. Learn about clinical documentation requirements and healthcare best practices for managing a dislocated kneecap. This resource provides relevant information for medical professionals regarding patellar dislocation.
Also known as
Dislocation of patella
Covers traumatic dislocations of the kneecap (patella).
Other injuries to the knee and lower leg
Includes various knee and lower leg injuries, excluding fractures.
Injuries, poisonings, and external causes
Encompasses a wide range of injuries due to external causes.
Follow this step-by-step guide to choose the correct ICD-10 code.
Is the patellar dislocation traumatic?
Yes
Is it recurrent?
No
Is it atraumatic/habitual/congenital?
When to use each related code
| Description |
|---|
| Kneecap slips out of its groove. |
| Patella partially dislocates. |
| Patella unstable, prone to dislocation. |
Missing or incorrect laterality (right, left, bilateral) for patellar dislocation impacts reimbursement and data accuracy.
Distinguishing between acute and chronic patellar dislocation is crucial for accurate coding and treatment planning.
Failing to document and code associated injuries like ligament tears or fractures with patellar dislocation leads to undercoding.
Q: What are the best evidence-based conservative management strategies for acute first-time patellar dislocation in young athletes?
A: Conservative management of an acute first-time patellar dislocation in young athletes often involves a multifaceted approach focusing on pain reduction, restoration of range of motion, and strengthening of supporting musculature. Initial management includes immobilization for pain control, typically for a short period (e.g., 1-3 weeks) to allow for inflammation to subside. Early mobilization with protected range of motion exercises is crucial to prevent stiffness. Physical therapy plays a vital role, emphasizing quadriceps and vastus medialis oblique (VMO) strengthening exercises to improve patellar tracking and stability. Consider implementing a progressive rehabilitation program that incorporates closed kinetic chain exercises for optimal functional recovery. Bracing may also be considered, particularly during return to sports activities. Explore how factors like patient age, activity level, and degree of injury influence the choice of conservative treatment strategies. Learn more about the latest research on rehabilitation protocols for patellar dislocation.
Q: How can I differentiate between a patellar dislocation and other knee injuries, such as a patellar subluxation or ligament tear, using physical examination and imaging techniques?
A: Differentiating patellar dislocation from other knee injuries requires a thorough clinical examination coupled with appropriate imaging studies. A detailed patient history focusing on mechanism of injury, associated symptoms (e.g., popping sensation, pain, instability), and any previous knee injuries is essential. Physical examination should assess for tenderness along the medial patellar retinaculum, patellar apprehension, and the presence of an effusion. Patellar apprehension testing helps assess for instability. Imaging plays a crucial role in confirming the diagnosis and identifying associated injuries. Plain radiographs can rule out fractures and confirm the presence of a dislocation if the patella is still dislocated. MRI is particularly valuable for evaluating soft tissue structures, such as the medial patellofemoral ligament (MPFL), which is often injured in patellar dislocations. Consider incorporating ultrasound as a dynamic assessment tool to evaluate patellar tracking and identify subluxations, which may not be apparent on static imaging. Explore the use of stress radiographs to assess for ligamentous laxity. Learn more about advanced imaging techniques for evaluating cartilage damage associated with patellar dislocations.
Patient presents with complaints consistent with patellar instability or dislocation of the patella, possibly a recurrent patellar dislocation. Onset of symptoms occurred during [activity causing injury - e.g., sports activity, twisting fall, direct blow to the knee]. Patient reports [symptoms - e.g., pain, popping sensation, instability, swelling, inability to bear weight]. Physical examination reveals [objective findings - e.g., tenderness along medial patellofemoral ligament, palpable effusion, limited range of motion, crepitus, positive apprehension test]. Patellar tracking was assessed and [describe findings - e.g., demonstrated lateral patellar tilt, J sign]. Differential diagnosis includes patellofemoral pain syndrome, meniscus tear, ligamentous injury, and patellar subluxation. Preliminary diagnosis of patellar dislocation is made based on clinical presentation and examination. Imaging studies, such as knee radiographs or MRI, may be ordered to confirm the diagnosis, evaluate for associated injuries (e.g., osteochondral fractures), and assess the integrity of the medial patellofemoral ligament. Initial treatment will focus on pain management with [medication prescribed - e.g., NSAIDs] and [other conservative measures - e.g., RICE therapy]. Referral to orthopedics for further evaluation and management, including potential closed reduction if indicated, and consideration for patellar stabilization surgery or physical therapy for rehabilitation to address patellar instability and prevent recurrent dislocations, is recommended. Patient education provided regarding activity modification, bracing options, and the importance of compliance with the treatment plan. Follow-up scheduled in [timeframe].