health.age-in-months Unreviewed
Age in completed months and days on a given date, for paediatric charts and doses; month ends handled like birthdays.
ageInMonths in TypeScriptTagged health
4 capabilities
health.gestational-age Unreviewed
Gestational age (weeks+days) and estimated due date from the last menstrual period by Naegele's rule, cycle-adjusted.
gestationalAge in TypeScript
health.waiting-time Unreviewed
NHS England referral-to-treatment (RTT) wait in days and weekly bands, with the 18-week breach flag.
rttWaitingTime in TypeScript
validation.nhs-number
Check an NHS number's modulus 11 check digit and normalise it to ten digits.
validateNhsNumber in TypeScript