Non-arthritic conditions

Femoro-acetabular impingement (FAI)

Labral injuries

Focal articular cartilage defects

Hip instability 

Ilio-tibial-band (ITB) impingement

Abductor tendinopathies and tears

Trochanteric bursitis

Iliopsoas impingement and bursitis

Hamstring tendiopathies and tears

Deep gluteal and sciatic nerve impingement

Ischiofemoral impingement

Adductor sprains and tears

Symphysis pubis instability

Early stage avascular necrosis (AVN)

Degenerative hip disease -

Osteoarthritis

End-stage inflammatory arthritis

Degenerative disease secondary to hip dysplasia

Degenerative disease secondary to childhood Legg-Calve-Perthes disease (Perthes)

Degenerative disease secondary to adolescent slipped upper femoral epiphysis (SUFE)

Late stage avascular necrosis (AVN)

Hip replacement problems -

Soft tissue impingements

Instabilty

Metal debris disease

Osteolysis

Component loosening and wear