LOINC display name : Creatine, guanidinoacetate and creatinine pattern Nar (U) [Interp];
LOINC long common name : Creatine, guanidinoacetate and creatinine pattern [Interpretation] in Urine Narrative;
LOINC short name : Cr, GAA and Creat pattern Ur-Imp;
LOINC description : Increased guanidinoacetate (GAA) is a marker for the diagnosis of guanidinoacetate
methyltransferase (GAMT) deficiency. Almeidaa et al (2004) found the GAA levels to
be 4-130 times increased in urine in patients with GAMT deficiency compared to controls.[PMID:
15234334];