Code Mixing in Arisan among the Speakers of Balinese in Medan

.Language that is not fully used anymore sometimes mixed with other language, known as code mixing. Code mixing is an insertion of one into another language within one utterance or sentence. In a group of Balinese in Medan, they also used code- mixing in their communication. In contrast with phenomenon of Balinese in Bali Island that mixed Bahasa Indonesia into Bali language. Balinese in Medan mixed Bali language into Bahasa Indonesia. This research aims to find out the types, realizations and the reasons of code-mixing happened in one social event called Arisan among Balinese speaker in Medan. This research revealed that insertion (44.4%) is the dominant type used, It means that code mixing of Bali language into Bahasa Indonesia used one sentence structure dominantly, which was the Bahasa Indonesia sentence structure. Code mixing used by Balinese in Medan was realized dominantly by content and function words realization that was found with the same percentage (18.75%). It indicate that they only mixed up a small portion of the code. This reasearch also found that talking about particular topic (22.22%) is the highest frequency reason that triggered Balinese mix their code, because some vocabularies in certain topic such as religion and art are not available in Bahasa Indonesia, so it triggered Balinese to mix the code with Bali language. New finding were also discovered that there are 5 additional reasons of code mixing, they are depending on circumstances/ people around (16.67%), feeling more familiar to the interlocutor (5.56%), maintaining the language from extinction (16.67%), being prestigious (5.56%), and delivering the content of the conversation well (5.56%).