preferred_name: Molecular pathology procedure, Level 2 - Mitochondrially encoded tRNA leucine 1 [UUA/G], mitochondrially encoded NADH dehydrogenase 5 (MT-TL1 MT-ND5) gene analysis for detection of m.3243A>G, m.3271T>C, m.3252A>G, and m.13513G>A variants