Birth And Fetal Death (BFDR) FHIR Implementation Guide, published by HL7 International / Public Health. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-bfdr/ and changes regularly. See the Directory of published versions

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ValueSet: Units of Gestational Age

Official URL: http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-units-of-gestational-age				Version: 2.0.0
Active as of 2024-10-15				Computable Name: UnitsOfGestationalAgeVS
Other Identifiers: OID:2.16.840.1.113883.4.642.40.13.48.22

This valueset contains the set of codes for specifying the units used when recording gestational age (days, weeks.).

Reporting to NCHS is always in units of weeks, but other users of the associated ObservationGestationalAgeAtDelivery profile may want to record days.

References

• Observation - Gestational Age at Delivery

Logical Definition (CLD)

 

Expansion

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Explanation of the columns that may appear on this page:

Level	A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies
System	The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code	The code (used as the code in the resource instance)
Display	The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
Definition	An explanation of the meaning of the concept
Comments	Additional notes about how to use the code