Human Phenotype Ontology 
Grandparent Node:
Abnormal circulating carnitine concentration (HP:0010967)help
Grandparent Node:
Abnormality of mitochondrial metabolism (HP:0003287)help
Parent Node:
Decreased plasma carnitine (HP:0003234)help
..Starting node
Decreased plasma total carnitine (HP:0011936)help
Term ID: 11936
Name: Decreased plasma total carnitine
Synonym: Decreased plasma total carnitine
Definition: A decreased concentration of total carnitine in the blood.
Reference: HP:0011936
Genes and Diseases:
       Child Nodes:

 Sister Nodes: 
..expandDecreased plasma free carnitine (HP:0008315) help

Genes (4) :ACADM COL7A1 CPT2 MMP1

Diseases (5) :ORPHA:42 ORPHA:79408 ORPHA:228308 ORPHA:228305 OMIM:608836

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.