Where used:
| Attribute | CLINICAL INVESTIGATION RESULT ITEM TYPE | references in description Head Circumference |
| Data Element | BIRTH HEAD CIRCUMFERENCE | references in description Head Circumference |
| Data Element | HEAD CIRCUMFERENCE (RENAL PAEDIATRIC) | references in description Head Circumference |
| Data Element | HEAD CIRCUMFERENCE IN CENTIMETRES | references in description Head Circumference |
| Data Element | HEAD CIRCUMFERENCE IN CENTIMETRES (AT TWO YEAR NEONATAL OUTCOMES ASSESSMENT) | references in description Head Circumference |
| Data Element | OBSERVATION DATE (HEAD CIRCUMFERENCE) | references in description Head Circumference |
| Data Element | OBSERVATION YEAR AND MONTH (HEAD CIRCUMFERENCE) | references in description Head Circumference |
| Supporting Information | Birth Head Circumference | references in description Head Circumference |
| Supporting Information | Head Circumference | references in description Head Circumference |
| Supporting Information | TPRG-SEND Two Year Corrected Age Outcome Assessment | references in description Head Circumference |