Intersection of http://hl7.org/fhir/ValueSet/observation-codes and http://hl7.org/fhir/uv/ips/ValueSet/pregnancies-summary-uv-ips
This is the ValueSet that contains codes in both LOINC Codes (http://hl7.org/fhir/ValueSet/observation-codes) and Pregnancy Outcome - IPS (http://hl7.org/fhir/uv/ips/ValueSet/pregnancies-summary-uv-ips).