In terms of the diagnosis for<unk> , the following tests/exams are carried out to determine if the individual has the condition: * Biopsy (muscle or liver) * CBC * Ultrasound * DNA mutation analysis (helps ascertain<unk>  subtype) Differential diagnosis The differential diagnosis of<unk>  includes GSD I, GSD IX and GSD VI. This however does not mean other glycogen storage diseases should not be distinguished as well. Classification Clinical manifestations of<unk>  are divided into four classes: *<unk> a, is the most common, (along with<unk> b) and which clinically includes muscle and liver involvement *<unk> b, which clinically has liver involvement but no muscle involvement *<unk> c which clinically affects liver and muscle. * GSD IV affects liver only (not muscle)
Glycogen storage disease type III
Glycogen storage disease type IV
Glycogen storage disease type 0
Glycogen storage disease type V
Glycogen storage disease type VI
Glycogen storage disease type IX
Essential fructosuria
Inborn errors of carbohydrate metabolism