| Country | ATC codes use | Remarks |
|---|---|---|
| ALBANIA | NO | ALB does not use ATC codes |
| ARGENTINA | NO | ARG does not use ATC codes |
| AUSTRALIA | NO | not envisaged |
| AUSTRIA | NO | AUT only stores ATC codes within Logistics System LOGIS |
| BELGIUM | YES | BEL also stores ATC codes in national ERP System (ILIAS) |
| BRAZIL | NO | BRA does not use ATC codes |
| BULGARIA | YES | |
| CANADA | YES | CAN uses ATC codes on new NSNs |
| COLOMBIA | YES | COL gradually updates former NSNs and will use ATC codes within new NSNs, where applicable |
| CROATIA | NO | not envisaged |
| CZECH REPUBLIC | YES | CZE gradually updates former NSNs and will use ATC codes within new NSNs, where applicable |
| DENMARK | NO | DNK only stores ATC codes in national ERP System (SAP) |
| ESTONIA | NO | EST only stores ATC codes within national Logistics System |
| FINLAND | YES | |
| FRANCE | YES | FRA gradually updates former NSNs and will use ATC codes within new NSNs, where applicable |
| GERMANY | YES | |
| GREECE | NO | |
| HUNGARY | NO | |
| INDIA | NO | |
| INDONESIA | NO | |
| ISRAEL | YES | ISR gradually updates former NSNs and will use ATC codes within new NSNs, where applicable |
| ITALY | NO | |
| JAPAN | NO | |
| KOREA, REPUBLIC OF | NO | KOR does not use ATC codes |
| LATVIA | NO | LVA does not use ATC codes in Segment C |
| LITHUANIA | NO | LTU does not use ATC codes |
| MALAYSIA | YES | |
| MONTENEGRO | NO | |
| MOROCCO | ? | |
| NETHERLANDS | NO | NLD only uses ATC codes within national Logistics System SAP |
| NORTH MACEDONIA | NO | |
| NEW ZEALAND | YES | NZL has used ATC codes in Seg C since 2005. All new NSNs have this data included where applicable, and ATC codes are added to existing NIINs of the relevant NSCs during maintenance action. |
| NORWAY | YES | NOR uses ATC codes within new NSNs since 2013, where applicable |
| PERU | NO | |
| POLAND | YES | POL gradually updates former NSNs and uses ATC codes within new NSNs, where applicable |
| PORTUGAL | NO | PRT does not use ATC codes |
| QATAR | NO | QATAR does not use ATC codes |
| ROMANIA | NO | ROU does not use ATC codes, yet. Plans to use ATC codes within new NSNs, where applicable |
| SERBIA | NO | SRB only stores ATC codes within Logistics System LOGIS |
| SINGAPORE | NO | SGP does not make use of ACT codes |
| SLOVAKIA | YES | |
| SLOVENIA | YES | SVN uses ATC codes within NSNs, where applicable |
| SPAIN | YES | ESP gradually updates former NSNs and will use ATC codes within new NSNs, where applicable |
| SWEDEN | NO | |
| TÜRKIYE | YES | TUR uses ATC codes within new NSNs since January 2015 |
| UKRAINE | YES | |
| UNITED ARAB EMIRATES | NO | |
| UNITED KINGDOM | YES | UK makes use of the ATC code on all new codification but, due to INC restricting the description to USP, we codify to AEUSA INC |
| UNITED STATES | NO | The U.S. does not have plans to use ATC codes at this time |