| ASC X12 Value | Description |
|---|---|
| 01 | Spouse |
| 03 | Parent |
| 04 | Grandparent |
| 05 | Grandchild |
| 06 | Aunt/Uncle |
| 07 | Nephew/Niece |
| 08 | First Cousin |
| 09 | Adopted Child |
| 10 | Foster Child |
| 11 | Daughter-in-law/Son-in-law |
| 12 | Brother-in-law/Sister-in-law |
| 13 | Mother-in-law/Father-in-law |
| 14 | Sibling |
| 15 | Ward |
| 16 | Step-parent |
| 17 | Stepson/Stepdaughter |
| 18 | Self |
| 19 | Son/Daughter |
| 19 | Child of Domestic Partner |
| 23 | Sponsored Dependent |
| 24 | Dependent of a Minor Dependent |
| 25 | Former Spouse |
| 26 | Guardian |
| 31 | Court-Appointed Guardian |
| 38 | Collateral Dependent |
| 53 | Domestic Partner |
| 60 | Annuitant |
| D2 | Trustee |
| G8 | Unrelated |
| G8 | Parent's Domestic Partner |
| G8 | Tax Filer |
| G8 | Tax Dependent |
| G8 | Other |
| G9 | Other Relative |