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BirthTime

The SDK supports this FHIR R4 extension for recording a patient's time of birth as an extension on Patient.birthDate within the Patient resource.

URL Definition​

using FhirUkCore.Uris;

String extensionUrl = UkCoreUris.ExtensionBirthTime;

HasBirthTime​

To test whether the extension has been applied to a Patient resource, the HasBirthPlace method can be used.
This returns a boolean.

A value of false will be returned either if the Patient.birthDate has not been set or the extension is not present.

using Hl7.Fhir.Model;

Boolean existsBirthSex = pat.HasBirthPlace();

SetBirthTime​

The SetBirthTime method must be passed a DateTimeOffset containing the full date and time of birth.
This will set both Patient.birthDate and the birthTime extension.

using Hl7.Fhir.Model;

Patient pat = new Patient();

var dt1 = new DateTimeOffset(2010, 04, 10, 11, 23, 13, TimeSpan.FromHours(3));
pat.SetBirthTime(dt1);

GetBirthTime​

To retrieve the patient's time of birth from a Patient resource, the GetBirthTime method can be used.
This will return a null if no data is available.

using Hl7.Fhir.Model;

DateTimeOffset timeOfBirth = pat.GetBirthTime();