The following is a list of all past and present radiocarbon laboratory codes known to have been used in published references. Lab Codes from: http://www.radiocarbon.org/Info/labcodes.html
* = laboratories that are no longer operating or have changed their code designations.| Code | Lab Name | Country |
|---|---|---|
| A | Arizona | USA |
| AA | Arizona-NSF | USA |
| Beta | Beta Analytic | USA |
| BGS* | Brock University | Canada |
| C* | Chicago | USA |
| CAMS | Center for Accelerator Mass Spectrometry | USA |
| DRI* | Desert Research Institute | USA |
| GrN | Groningen | The Netherlands |
| GX | Geochron Laboratories | USA |
| I* | Teledyne Isotopes | USA |
| ISGS | Illinois State Geological Survey | USA |
| IVIC* | Caracas | Venezuela |
| L* | Lamont-Doherty | USA |
| M* | University of Michigan | USA |
| NSRL | INSTAAR AMS Lab, U of Colorado | USA |
| NZA | Rafter Radiocarbon Lab (AMS) | New Zealand |
| P* | Univ. of Pennsylvania | USA |
| QL* | Quaternary Isotope Laboratory | USA |
| R | Rome | Italy |
| RIDDL* | Simon Fraser Univ. | Canada |
| SI* | Smithsonian Institution | USA |
| SMU* | Southern Methodist Univ. | USA |
| TEM* | Temple University | USA |
| TO | IsoTrace Laboratory | Canada |
| Tx* | Texas | USA |
| UCI | University of California, Irvine | USA |
| UCLA* | University of California, Los Angeles | USA |
| UCR* | University of California, Riverside | USA |
| UGa | University of Georgia | USA |
| URU | Uruguay | Uruguay |
| WSU* | Washington State Univ. | USA |