http://en.wikipedia.org/wiki/List_of_ICD-9_codes_800-999:_Injury_and_poisoning#poisoning_by_drugs.2C_medicinal_and_biological_substances_.28960-979.29
It would depend on the mushroom.
969 or 977 could be appropriate.
I have no idea what you mean by noxious. I assumed you meant toxic, but you could have meant psychoactive, or other.
How many codes are needed to correctly code accidental poisoning by consuming noxious mushrooms ? I can't seem to find the answer is there a web site that might be able to help me thanks
3 answers
http://www.who.int/classifications/apps/icd/icd10online/?gt51.htm+t620
Medication practices. Should written policies be developed for abbreviation usage? If yes, what should the policies contain? If no, explain.