1 | Underlying cause of death: poisoning | X40–X49, X60–X69, X85–X90, Y10–Y19 |
| and | and |
| Multiple cause of death: prescription opioid poisoning | T402, T403, T404 |
2 | Underlying cause of death: poisoning | X40–X49, X60–X69, X85–X90, Y10–Y19 |
| and | and |
| Multiple cause of death: prescription opioid poisoning and/or other unspecified narcotics | T402, T403, T404, T406 |
3 | Multiple cause of death: prescription opioid poisoning | T402, T403, T404 |
4 | Multiple cause of death: prescription opioid poisoning or other unspecified narcotics | T402, T403, T404, T406 |
5 | Underlying cause of death or multiple cause of death: narcotic poisoning | X42, X62, Y12, T509 |
| and not | and not |
| Multiple cause of death: illicit opioids | (T401, T405, T407–T409) |
| or | or |
| Multiple cause of death: prescription opioid poisoning or other unspecified narcotics | T402,T403,T404,T406 |