What codes do i use for these?

1. Two-year-old patient ingested an unknown quantity of mother,s Envoid.

No one here has your texts or reference works.

http://www.google.com/search?rlz=1C1GGGE_enUS379US379&gcx=w&sourceid=chrome&ie=UTF-8&q=medical+codes
Is your source in one of these links?

If not, then refer to your study materials.