No single test confirms<unk>  but because<unk> can occur in people who have lower than normal nutrient levels and poor nutrition (malnutrition), the health care provider should test blood levels of iron and zinc. Hemoglobin can also be checked to test for anemia. Lead levels should always be checked in children who may have eaten paint or objects covered in lead-paint dust. The healthcare provider should test for infection if the patient has been eating contaminated soil or animal waste. DSM-5 The DSM-5 posits four criteria that must be met for a person to be diagnosed with<unk>  #Person must have been eating non-nutritive nonfoods for at least one month. #This eating must be considered abnormal for the person's stage of development. #Eating these substances cannot be associated with a cultural practice that is considered normal in the social context of the individual. #For people who currently have a medical condition (e.g.: pregnancy) or a mental disorder (e.g.: autism spectrum disorder), the action of eating non-nutritive nonfoods should only be considered<unk> if it is dangerous and requires extra medical investigation or treatment on top of what they are already receiving for their pre-existing condition. Differential diagnosis In individuals with autism, schizophrenia, and certain physical disorders (such as Kleine-Levin syndrome), non-nutritive substances may be eaten. In such instances,<unk> should not be noted as an additional diagnosis.
Pica 
Enostosis
Hyperostosis
Hypercementosis
Neutrophilia
Joint stiffness
Exostosis
Hemimelia