O80 Single births, spontaneous delivery
Includes: cases with or without minimal help, with or without episiotomy, normal delivery
O81 Single birth, delivery with forceps or vacuum extractor
Excluded: an unsuccessful attempt to use a vacuum extractor or forceps ( O66.5 )
O82 Single birth, delivery by caesarean section
O83 Single birth, delivery with another obstetric aid
O84 Multiparty childbirth
If necessary, identify the method of delivery by each fetus or child using an additional code (O80-O83).