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Immunization Status Categorization.
| At prior milestone | ||
|---|---|---|
| At current milestone | UTD | Non-UTD |
| Up to date (UTD) | Remain UTD | Catch Up |
| Non-UTD | Fall Behind | Stay Non-UTD |
UTD is up to date status for ACIP recommended immunizations in the DTaP, HepB, Hib, Polio, and Varicella series.
