DHIN 2025Connectathon FHIR IG
0.1.0 - draft

DHIN 2025Connectathon FHIR IG, published by DHIN. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Nigeria-FHIR-Community/2025Connectathon/ and changes regularly. See the Directory of published versions

CodeSystem: NG Age Component Codes

Official URL: https://sandbox.dhin-hie.org/ig/CodeSystem/age-component-codes Version: 0.1.0
Active as of 2025-10-21 Computable Name: NgAgeComponentCodesCS

Local CodeSystem for age components: units, comparison operators, and common MNCH/EPI age bands for use in measures, decision logic, and stratification.

This Code system is referenced in the content logical definition of the following value sets:

  • This CodeSystem is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

This case-sensitive code system https://sandbox.dhin-hie.org/ig/CodeSystem/age-component-codes defines the following codes:

CodeDisplayDefinition
yr Years (y) Age measured in years.
mn Months (mo) Age measured in months.
wk Weeks (wk) Age measured in weeks.
da Days (d) Age measured in days.
hr Hours (h) Age measured in hours (e.g., immediate neonatal).
op-lt < (less than) Comparator for age threshold: less than.
op-le ≤ (less than or equal) Comparator for age threshold: less than or equal.
op-eq = (equal) Comparator for age equality checks.
op-ge ≥ (greater than or equal) Comparator for age threshold: greater than or equal.
op-gt > (greater than) Comparator for age threshold: greater than.
band-neonate Neonate (0–28 days) 0–28 days inclusive.
band-early-neonate Early neonate (0–6 days) 0–6 days inclusive.
band-late-neonate Late neonate (7–28 days) 7–28 days inclusive.
band-under1 Under 1 year (0–11 months) 0–11 months inclusive.
band-infant Infant (1–11 months) 1–11 months inclusive.
band-u5 Under 5 years (0–59 months) 0–59 months inclusive.
band-1to4y 1–4 years 1 year up to 4 years 11 months.
band-5to9y 5–9 years 5 years up to 9 years 11 months.
band-10to14y 10–14 years 10 years up to 14 years 11 months.
band-15to19y Adolescent (15–19 years) 15 years up to 19 years 11 months.
band-20to24y Young adult (20–24 years) 20 years up to 24 years 11 months.
band-25to49y Adult (25–49 years) 25 years up to 49 years 11 months.
band-50to64y Older adult (50–64 years) 50 years up to 64 years 11 months.
band-65plus Senior (≥65 years) 65 years and above.
epi-birth At birth EPI schedule label for birth dose.
epi-6w 6 weeks EPI schedule label for doses due at 6 weeks.
epi-10w 10 weeks EPI schedule label for doses due at 10 weeks.
epi-14w 14 weeks EPI schedule label for doses due at 14 weeks.
epi-9m 9 months EPI schedule label for doses due at 9 months.
epi-15m 15 months EPI schedule label for doses due at 15 months.