ACTIVE (not intended for production usage). Published on 2023-12-19 by HL7 International / Orders and Observations (HL7 Orders and Observations Workgroup: http://www.hl7.org/Special/com..., Keith W. Boone: kboone@ainq.com, Rob Hausam: rrhausam@gmail.com). Copyright (c) 2020, HL7 International, Inc., All Rights Reserved.
| Source Code | Relationship | Target Code |
| A (Atheist) | | 1007 (Atheism) |
| B (Baptist) | | 1009 (Baptist) |
| C (Catholic) | (not mapped) |
| E (Episcopalian) | | 1069 (Episcopalian) |
| J (Judaism) | | 1026 (Judaism) |
| L (Lutheran) | | 1028 (Lutheran) |
| M (Church of Latter Day Saints (Mormon)) | | 1027 (Latter Day Saints) |
| N (Hindu) | | 1020 (Hinduism) |
| P (Protestant) | | 1077 (Protestant) |
| AGN (Agnostic) | | 1004 (Agnosticism) |
| ATH (Atheist) | | 1007 (Atheism) |
| BAH (Baha'i) | | 1008 (Babi & Baha'I faiths) |
| BRE (Brethren) | | 1062 (Brethren) |
| BUD (Buddhist) | (not mapped) |
| BMA (Buddhist: Mahayana) | | 1029 (Mahayana) |
| BTH (Buddhist: Theravada) | | 1051 (Theravada) |
| BTA (Buddhist: Tantrayana) | (not mapped) |
| BOT (Buddhist: Other) | (not mapped) |
| CFR (Chinese Folk Religionist) | (not mapped) |
| CHR (Christian) | | 1013 (Christian (non-Catholic, non-specific)) |
| ABC (Christian: American Baptist Church) | (not mapped) |
| AMT (Christian: African Methodist Episcopal) | (not mapped) |
| AME (Christian: African Methodist Episcopal Zion) | (not mapped) |
| ANG (Christian: Anglican) | | 1005 (Anglican) |
| AOG (Christian: Assembly of God) | | 1061 (Assembly of God) |
| BAP (Christian: Baptist) | | 1009 (Baptist) |
| CRR (Christian: Christian Reformed) | | 1079 (Reformed) |
| CHS (Christian: Christian Science) | | 1063 (Christian Scientist) |
| CMA (Christian: Christian Missionary Alliance) | (not mapped) |
| COC (Christian: Church of Christ) | | 1064 (Church of Christ) |
| COG (Christian: Church of God) | | 1065 (Church of God) |
| COI (Christian: Church of God in Christ) | (not mapped) |
| COM (Christian: Community) | (not mapped) |
| COL (Christian: Congregational) | | 1066 (Congregational) |
| EOT (Christian: Eastern Orthodox) | | 1068 (Eastern Orthodox) |
| EVC (Christian: Evangelical Church) | (not mapped) |
| EPI (Christian: Episcopalian) | | 1069 (Episcopalian) |
| FWB (Christian: Free Will Baptist) | (not mapped) |
| FRQ (Christian: Friends) | | 1071 (Friends) |
| FUL (Christian: Full Gospel) | | 1072 (Full Gospel) |
| GRE (Christian: Greek Orthodox) | (not mapped) |
| JWN (Christian: Jehovah's Witness) | | 1025 (Jehovah's Witnesses) |
| MOM (Christian: Latter-day Saints) | | 1027 (Latter Day Saints) |
| LUT (Christian: Lutheran) | | 1028 (Lutheran) |
| LMS (Christian: Lutheran Missouri Synod) | (not mapped) |
| MEN (Christian: Mennonite) | (not mapped) |
| MET (Christian: Methodist) | | 1073 (Methodist) |
| NAZ (Christian: Church of the Nazarene) | | 1075 (Nazarene) |
| ORT (Christian: Orthodox) | | 1036 (Orthodox) |
| PEN (Christian: Pentecostal) | | 1038 (Pentecostal) |
| COP (Christian: Other Pentecostal) | (not mapped) |
| PRE (Christian: Presbyterian) | | 1076 (Presbyterian) |
| PRO (Christian: Protestant) | | 1077 (Protestant) |
| PRC (Christian: Other Protestant) | | 1078 (Protestant, No Denomination) |
| QUA (Christian: Friends) | | 1071 (Friends) |
| REC (Christian: Reformed Church) | | 1079 (Reformed) |
| REO (Christian: Reorganized Church of Jesus Christ-LDS) | (not mapped) |
| CAT (Christian: Roman Catholic) | | 1041 (Roman Catholic Church) |
| SAA (Christian: Salvation Army) | | 1080 (Salvation Army) |
| SEV (Christian: Seventh Day Adventist) | | 1001 (Adventist) |
| SOU (Christian: Southern Baptist) | (not mapped) |
| UCC (Christian: United Church of Christ) | | 1082 (United Church of Christ) |
| UMD (Christian: United Methodist) | (not mapped) |
| UNI (Christian: Unitarian) | | 1052 (Unitarian-Universalism) |
| UNU (Christian: Unitarian Universalist) | | 1081 (Unitarian Universalist) |
| WES (Christian: Wesleyan) | (not mapped) |
| WMC (Christian: Wesleyan Methodist) | (not mapped) |
| COT (Christian: Other) | (not mapped) |
| CNF (Confucian) | | 1014 (Confucianism) |
| DOC (Disciples of Christ) | | 1067 (Disciples of Christ) |
| ERL (Ethnic Religionist) | (not mapped) |
| HIN (Hindu) | (not mapped) |
| HSH (Hindu: Shaivites) | | 1020 (Hinduism) |
| HVA (Hindu: Vaishnavites) | | 1020 (Hinduism) |
| HOT (Hindu: Other) | | 1020 (Hinduism) |
| JAI (Jain) | | 1024 (Jainism) |
| JEW (Jewish) | (not mapped) |
| JCO (Jewish: Conservative) | (not mapped) |
| JOR (Jewish: Orthodox) | (not mapped) |
| JRC (Jewish: Reconstructionist) | (not mapped) |
| JRF (Jewish: Reform) | (not mapped) |
| JRN (Jewish: Renewal) | (not mapped) |
| JOT (Jewish: Other) | (not mapped) |
| MOS (Muslim) | | 1023 (Islam) |
| MSH (Muslim: Shiite) | | 1045 (Shiite (Islam)) |
| MSU (Muslim: Sunni) | | 1049 (Sunni (Islam)) |
| MOT (Muslim: Other) | (not mapped) |
| NAM (Native American) | | 1074 (Native American) |
| NRL (New Religionist) | (not mapped) |
| NOE (Nonreligious) | (not mapped) |
| SHN (Shintoist) | | 1046 (Shinto) |
| SIK (Sikh) | | 1047 (Sikism) |
| SPI (Spiritist) | | 1048 (Spiritualism) |
| OTH (Other) | (not mapped) |
| VAR (Unknown) | (not mapped) |
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