Treatment
& Diagnosis:
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Open,
Arthroscopic and Combined Hip; Surgical for the treatment of Femoroacetabular
Impingement (FAI).
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Effective Date:
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January
1, 2016.
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Termination
Date:
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December
31, 2018.
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Coverage
Guidelines:
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Open,
arthroscopic and combined hip surgery is covered when the following
criteria are met:
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• Moderate to severe and persistent activity
limiting hip pain that is worsened by flexion activities.
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• Physical examination consistent with
the diagnosis of FAI with at least one positive test required:
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• Positive impingement
sign (pain when bringing the knee up towards the chest and then
rotating it inward towards the opposite shoulder); or
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• Flexion Abduction
External Rotation (FABER) provocation test (the test is positive
if it elicits similar pain as complained by the patient or the range
of motion of the hip is significantly decreased compared to the
contra lateral hip); or
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• Posterior inferior
impingement test (the test is positive if it elicits similar pain
as complained by the patient).
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• Failure to improve with greater than
three months of conservative treatment (e.g., physical therapy, activity
modification, non-steroidal anti-inflammatory medications, intra-articular
injection, etc.). Requests shall include what conservative treatments
were used and how long; and
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• Radiographic evidence of FAI:
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• CAM:
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1. Pistol-grip
deformity (characterized on radiographs by flattening of the usually
concave surface of the lateral aspect of the femoral head due to
an abnormal extension of the more horizontally oriented femoral
epiphysis); or
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2. Alpha
angle greater than 50 degrees (measurement of an abnormal alpha
angle from an oblique axial image along the femoral neck); or
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• Pincer:
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1. Coxa
profunda (floor of the fossa acetabuli touching or overlapping the
ilioischial line medially); or
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2. Acetabular
retroversion (the alignment of the mouth of the acetabulum does
not face the normal anterolateral direction, but inclines more posterolaterally);
or
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3. Os
acetabuli (an ossicle located at the acetabular rim); or
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4. Protrusio
acetabuli (an anteroposterior radiograph of the pelvis that demonstrates
a center-edge angle greater than 40 degrees and medicalization of
the medial wall of the acetabulum past the ilioischial line); and
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Absence
of advanced arthritis (i.e., Tönnis Grade 2 [small cysts, moderate
joint space narrowing, moderate loss of head sphericity] or Tönnis
Grade 3 [large cysts, severe joint space narrowing, severe deformity
of the head]).
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Inclusion
criteria must be documented.
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