1. Proximate cause of death |
The condition/s leading directly to death (position Ia on the death certificate). |
2. Underlying cause of death |
The disease or injury which initiated the train of events directly leading to death (or the circumstances of the accident or violence which produced the fatal injury). |
3. Rule 3 (ICD-9 version) |
“If the underlying cause… can be considered a direct sequel to another reported condition, whether in Part I or Part II, select this primary condition.”
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4. Rule 3 (ICD-10 version) |
“If the condition…. is obviously a direct consequence of another reported condition, whether in Part I or Part II, select this primary condition.”* |