Or. Rev. Stat. § 146.090

      146.090 Deaths requiring investigation. (1) The medical examiner shall investigate and certify the cause and manner of all human deaths:

      (a) Apparently homicidal, suicidal or occurring under suspicious or unknown circumstances;

      (b) Resulting from the unlawful use of controlled substances or the use or abuse of chemicals or toxic agents;

      (c) Occurring while incarcerated in any jail, correction facility or in police custody;

      (d) Apparently accidental or following an injury;

      (e) By disease, injury or toxic agent during or arising from employment;

      (f) While not under the care of a physician during the period immediately previous to death;

      (g) Related to disease which might constitute a threat to the public health; or

      (h) In which a human body apparently has been disposed of in an offensive manner.

      (2) As used in this section, “offensive manner” means a manner offensive to the generally accepted standards of the community. [1973 c.408 §12; 1979 c.744 §4; 1985 c.207 §1]