ICD code	description
I46.1	"sudden cardiac death, so described"
O95	obstetric death of unspecified cause
O96	death from any obstetric cause occurring more than 42 days but less than one year after delivery
O96.0	death from direct obstetric cause
O96.1	death from indirect obstetric cause
O96.9	death from unspecified obstetric cause
O97	death from sequelae of obstetric causes
O97.0	death from sequelae of direct obstetric cause
O97.1	death from sequelae of indirect obstetric cause
O97.9	"death from sequelae of obstetric cause, unspecified"
R96	"other sudden death, cause unknown"
R96.0	instantaneous death
R96.1	"death occurring less than 24 hours from onset of symptoms, not otherwise explained"
R98	unattended death
R99	other ill-defined and unspecified causes of mortality