| T71.111A | Asphyxiation due to smothering under pillow, accidental, initial encounter | 
                  | T71.111D | Asphyxiation due to smothering under pillow, accidental, subsequent encounter | 
                  | T71.111S | Asphyxiation due to smothering under pillow, accidental, sequela | 
                  | T71.112A | Asphyxiation due to smothering under pillow, intentional self-harm, initial encounter | 
                  | T71.112D | Asphyxiation due to smothering under pillow, intentional self-harm, subsequent encounter | 
                  | T71.112S | Asphyxiation due to smothering under pillow, intentional self-harm, sequela | 
                  | T71.113A | Asphyxiation due to smothering under pillow, assault, initial encounter | 
                  | T71.113D | Asphyxiation due to smothering under pillow, assault, subsequent encounter | 
                  | T71.113S | Asphyxiation due to smothering under pillow, assault, sequela | 
                  | T71.114A | Asphyxiation due to smothering under pillow, undetermined, initial encounter | 
                  | T71.114D | Asphyxiation due to smothering under pillow, undetermined, subsequent encounter | 
                  | T71.114S | Asphyxiation due to smothering under pillow, undetermined, sequela | 
                  | T71.121A | Asphyxiation due to plastic bag, accidental, initial encounter | 
                  | T71.121D | Asphyxiation due to plastic bag, accidental, subsequent encounter | 
                  | T71.121S | Asphyxiation due to plastic bag, accidental, sequela | 
                  | T71.122A | Asphyxiation due to plastic bag, intentional self-harm, initial encounter | 
                  | T71.122D | Asphyxiation due to plastic bag, intentional self-harm, subsequent encounter | 
                  | T71.122S | Asphyxiation due to plastic bag, intentional self-harm, sequela | 
                  | T71.123A | Asphyxiation due to plastic bag, assault, initial encounter | 
                  | T71.123D | Asphyxiation due to plastic bag, assault, subsequent encounter |