Updated research request forms and data security approval requirement effective 4/24/23
This field identifies the sixth underlying causes of death code as listed by the certifier of death (formatted but not audited)
For decedents 1999-2006 there are up to 8 underlying conditions on the NDI record and for 2007-2016 there are up to 20 underlying conditions (ENTITY_COND_1 - ENTITY_COND_20). Researchers wishing to obtain this NDI segment of the MBSF must obtain an additional approval beyond the CMS DUA. There is another version of the underlying cause of death conditions that is edited and audited by the National Center for Health Statistics (NCHS; see RECORD_COND_1 - RECORD_COND_20).
Source: Centers for Disease Control and Prevention (CDC) National Death Index (NDI)
Position1: Part/line number on certificate
Position 2: Sequence of condition within part/line Code range 1–7
Position 3–6: Condition code (reference ICD-10 codes) whenever there is a 4-position code, there is
always an implied decimal after the third position.
Position 7: Nature of Injury flag
|1||Part I, line 1 (a)|
|2||Part I, line 2 (b)|
|3||Part I, line 3 (c)|
|4||Part I, line 4 (d)|
|5||Part I, line 5 (e)|
|0||all other codes (always 0 for ICD-10 codes; 1999 forward)|