Specific code 2015 ICD-9-CM Diagnosis Code E978
Legal execution
. . .   
Applies To

    All executions performed at the behest of the judiciary or ruling authority [whether permanent or temporary] as:
        asphyxiation by gas
        beheading, decapitation (by guillotine)
        capital punishment
        electrocution
        hanging
        poisoning
        shooting
        other specified means
http://www.icd9data.com/2015/Volume1/E000-E999/E970-E979/E978/E978.htm

On July 31, 2014 the U.S. Department of Health and Human Services (HHS) issued a rule finalizing October 1, 2015 as the new compliance date for health care providers, health plans, and health care clearinghouses to transition to ICD-10-CM/PCS.
http://www.icd9data.com/