It is highly unlikely that touching a dishwasher's internal metal, even if it is carrying a current of 10-12 milliamperes (mA), would cause any long-term effects on your organs.
In general, the human body can tolerate low levels of electrical current without significant harm, especially if the exposure is brief. Currents below 10 mA are generally considered to be in the range of perception, but they are unlikely to cause serious harm.
However, it's important to note that everyone's body and sensitivity to electrical current can vary. If you experienced any physical discomfort or unusual sensations when touching the dishwasher, it's always a good idea to consult with a healthcare professional for a proper evaluation and advice.
Additionally, to ensure electrical safety in your home, it's recommended to have your dishwasher and other electrical appliances regularly inspected and maintained by qualified professionals. This can help identify any potential issues and ensure their safe operation.