| Lvl | Code | Definition |
| 1 |
0.01 |
Oldest archived version of FHIR. |
| 1 |
0.05 |
1st Draft for Comment (Sept 2012 Ballot). |
| 1 |
0.06 |
2nd Draft for Comment (January 2013 Ballot). |
| 1 |
0.11 |
DSTU 1 Ballot version. |
| 1 |
0.0 |
DSTU 1 version. |
| 2 |
0.0.80 |
DSTU 1 Official version. |
| 2 |
0.0.81 |
DSTU 1 Official version Technical Errata #1. |
| 2 |
0.0.82 |
DSTU 1 Official version Technical Errata #2. |
| 1 |
0.4 |
January 2015 Ballot. |
| 2 |
0.4.0 |
Draft For Comment (January 2015 Ballot). |
| 1 |
0.5 |
May 2015 Ballot. |
| 2 |
0.5.0 |
DSTU 2 Ballot version (May 2015 Ballot). |
| 1 |
1.0 |
DSTU 2 version. |
| 2 |
1.0.0 |
DSTU 2 QA Preview + CQIF Ballot (Sep 2015). |
| 2 |
1.0.1 |
DSTU 2 (Official version). |
| 2 |
1.0.2 |
DSTU 2 (Official version) with 1 technical errata. |
| 1 |
1.1 |
GAO Ballot version. |
| 2 |
1.1.0 |
GAO Ballot + draft changes to main FHIR standard. |
| 1 |
1.4 |
Connectathon 12 (Montreal) version. |
| 2 |
1.4.0 |
CQF on FHIR Ballot + Connectathon 12 (Montreal). |
| 1 |
1.6 |
Connectathon 13 (Baltimore) version. |
| 2 |
1.6.0 |
FHIR STU3 Ballot + Connectathon 13 (Baltimore). |
| 1 |
1.8 |
Connectathon 14 (San Antonio) version. |
| 2 |
1.8.0 |
FHIR STU3 Candidate + Connectathon 14 (San Antonio). |
| 1 |
3.0 |
STU3 version. |
| 2 |
3.0.0 |
FHIR Release 3 (STU). |
| 2 |
3.0.1 |
FHIR Release 3 (STU) with 1 technical errata. |
| 2 |
3.0.2 |
FHIR Release 3 (STU) with 2 technical errata. |
| 1 |
3.3 |
R4 Ballot #1 version. |
| 2 |
3.3.0 |
R4 Ballot #1 + Connectaton 18 (Cologne). |
| 1 |
3.5 |
R4 Ballot #2 version. |
| 2 |
3.5.0 |
R4 Ballot #2 + Connectathon 19 (Baltimore). |
| 1 |
4.0 |
R4 version. |
| 2 |
4.0.0 |
FHIR Release 4 (Normative + STU). |
| 2 |
4.0.1 |
FHIR Release 4 (Normative + STU) with 1 technical errata. |
| 1 |
4.1 |
R4B Ballot #1 version. |
| 2 |
4.1.0 |
R4B Ballot #1 + Connectathon 27 (Virtual). |
| 1 |
4.2 |
R5 Preview #1 version. |
| 2 |
4.2.0 |
R5 Preview #1 + Connectathon 23 (Sydney). |
| 1 |
4.3 |
R4B version. |
| 2 |
4.3.0 |
FHIR Release 4B (Normative + STU). |
| 2 |
4.3.0-cibuild |
FHIR Release 4B CI-Builld. |
| 2 |
4.3.0-snapshot1 |
FHIR Release 4B Snapshot #1. |
| 1 |
4.4 |
R5 Preview #2 version. |
| 2 |
4.4.0 |
R5 Preview #2 + Connectathon 24 (Virtual). |
| 1 |
4.5 |
R5 Preview #3 version. |
| 2 |
4.5.0 |
R5 Preview #3 + Connectathon 25 (Virtual). |
| 1 |
4.6 |
R5 Draft Ballot version. |
| 2 |
4.6.0 |
R5 Draft Ballot + Connectathon 27 (Virtual). |
| 1 |
5.0 |
R5 Versions. |
| 2 |
5.0.0 |
R5 Final Version. |
| 3 |
5.0.0-cibuild |
R5 Rolling ci-build. |
| 3 |
5.0.0-snapshot1 |
R5 Preview #2. |
| 3 |
5.0.0-snapshot2 |
R5 Interim tooling stage. |
| 3 |
5.0.0-ballot |
R5 Ballot. |
| 3 |
5.0.0-snapshot3 |
R5 January 2023 Staging Release + Connectathon 32. |
| 3 |
5.0.0-draft-final |
R5 Final QA. |