Table 5.

Diagnosis codes that are more likely during ED/hospital visits of decedents with no opioid prescription history than of decedents with opioid prescription history

ICD-10 code	Description	Percentage of visits with diagnosis		Difference
		Any opioid analgesic prescription
		Yes	No
F1110	Opioid use disorder, uncomplicated	6.4	11.9	5.5***
J45901	Unspecified asthma with (acute) exacerbation	2.2	6.4	4.2***
T401X1A	Poisoning by heroin, accidental (unintentional), initial encounter	2.3	6.1	3.8***
R45851	Suicidal ideations	4.4	8.1	3.7***
I469	Cardiac arrest, cause unspecified	1.6	4.4	2.7***
F1210	Cannabis use disorder, uncomplicated	2.6	4.7	2.1**
F259	Schizoaffective disorder, unspecified	0.9	3	2.1***
F209	Schizophrenia, unspecified	0.8	2.3	1.5***
F29	Unspecified psychosis not due to a substance or known physiological condition	0.4	1.9	1.5***
T401X4A	Poisoning by heroin, undetermined, initial encounter	1.3	2.8	1.5*
T401X2A	Poisoning by heroin, intentional self-harm, initial encounter	1.1	2.5	1.4*
G931	Anoxic brain damage, not elsewhere classified	0.6	1.9	1.3***
I468	Cardiac arrest due to other underlying condition	0.2	1	0.8**

Note. Columns “Yes” and “No” contain the percentage of all visits in each group that carried each ICD-10 code. The p values are Bonferroni-corrected p values calculated using Fisher’s exact test

*p < .05; **p < .01; ***p < .001