| EDI | O1991 | Nitric Oxide Inhalation | Non-standard |
| EDI | O1991002 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Neonate | Non-standard |
| EDI | O1991003 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Under 12 months | Non-standard |
| EDI | O1991005 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) More than 12 months~ Under 72 months | Non-standard |
| EDI | O1991010 | Nitric Oxide Inhalation,Nighttime | Non-standard |
| EDI | O1991012 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Neonate Nighttime | Non-standard |
| EDI | O1991013 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Under 12 months Nighttime | Non-standard |
| EDI | O1991015 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) More than 12 months~ Under 72 months Nighttime | Non-standard |
| EDI | O1991050 | Nitric Oxide Inhalation,holiday | Non-standard |
| EDI | O1991052 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Neonate holiday | Non-standard |
| EDI | O1991053 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Under 12 months holiday | Non-standard |
| EDI | O1991055 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) More than 12 months~ Under 72 months holiday | Non-standard |
| EDI | O1991600 | Nitric Oxide Inhalation,Neonate | Non-standard |
| EDI | O1991610 | Nitric Oxide Inhalation,Neonate, Nighttime | Non-standard |
| EDI | O1991650 | Nitric Oxide Inhalation,Neonate, holiday | Non-standard |
| EDI | O1991A00 | Nitric Oxide Inhalation,Under 12 months | Non-standard |
| EDI | O1991A10 | Nitric Oxide Inhalation,Nighttime for children under 1 year old | Non-standard |
| EDI | O1991A50 | Nitric Oxide Inhalation,Public holidays for children under 1 year of age | Non-standard |
| EDI | O1991B00 | Nitric Oxide Inhalation,More than 12 months~ Under 72 months | Non-standard |
| EDI | O1991B10 | Nitric Oxide Inhalation,Nighttime for children over 1 year old and under 6 years old | Non-standard |
| EDI | O1991B50 | Nitric Oxide Inhalation,Public holidays for children over 1 year old and under 6 years old | Non-standard |
| EDI | O1992 | Nitric Oxide Inhalation | Non-standard |
| EDI | O1992002 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Neonate | Non-standard |
| EDI | O1992003 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Under 12 months | Non-standard |
| EDI | O1992005 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) More than 12 months~ Under 72 months | Non-standard |
| EDI | O1992010 | Nitric Oxide Inhalation,Nighttime | Non-standard |
| EDI | O1992012 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Neonate Nighttime | Non-standard |
| EDI | O1992013 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Under 12 months Nighttime | Non-standard |
| EDI | O1992015 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) More than 12 months~ Under 72 months Nighttime | Non-standard |
| EDI | O1992050 | Nitric Oxide Inhalation,holiday | Non-standard |
| EDI | O1992052 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Neonate holiday | Non-standard |
| EDI | O1992053 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) Under 12 months holiday | Non-standard |
| EDI | O1992055 | Nitric Oxide Inhalation,(Senior General Hospital, General Hospital) More than 12 months~ Under 72 months holiday | Non-standard |
| EDI | O1992600 | Nitric Oxide Inhalation,Neonate | Non-standard |
| EDI | O1992610 | Nitric Oxide Inhalation,Neonate, Nighttime | Non-standard |
| EDI | O1992650 | Nitric Oxide Inhalation,Neonate, holiday | Non-standard |
| EDI | O1992A00 | Nitric Oxide Inhalation,Under 12 months | Non-standard |
| EDI | O1992A10 | Nitric Oxide Inhalation,Nighttime for children under 1 year old | Non-standard |
| EDI | O1992A50 | Nitric Oxide Inhalation,Public holidays for children under 1 year of age | Non-standard |
| EDI | O1992B00 | Nitric Oxide Inhalation,More than 12 months~ Under 72 months | Non-standard |
| EDI | O1992B10 | Nitric Oxide Inhalation,Nighttime for children over 1 year old and under 6 years old | Non-standard |
| EDI | O1992B50 | Nitric Oxide Inhalation,Public holidays for children over 1 year old and under 6 years old | Non-standard |
| Nebraska Lexicon | 241692007 | Inhalational induction | Non-standard |