SABOX - FCI Hip Grading explanations

Description of grading applicable to dogs aged more than one year, provided positioning is correct and radiographic quality is optimal.

FCI Grade	Description	F C I criteria	Old RSA Grade
A1	Excellent hips	No signs of hip dysplasia	0
A2	Good hips	No signs of hip dysplasia	0
B1	Fair hips	Near normal hip joints	0
B2	Marginal dysplasia	Near normal hip joints	1
C1	Mild dysplasia	Mild hip dysplasia	1
C2	Mild to moderate dysplasia	Mild hip dysplasia	1
D1	Moderate dysplasia	Moderate hip dysplasia	2
D2	Moderate to severe dysplasia	Moderate hip dysplasia	2
E1	Severe dysplasia	Severe hip dysplasia	3
E2	Very severe dysplasia	Severe hip dysplasia	4