This value set includes codes based on the following rules:

• Include these codes as defined in urn:oid:2.16.840.1.114222.4.5.274 version 20200526

  Code	Display
  PHC1592	Suspected Amnionitis or Chorioamnionitis
  PHC1591	C-section Prophylaxis
  PHC1590	GBS Prophylaxis

• Include these codes as defined in http://snomed.info/sct version http://snomed.info/sct/731000124108/version/20200901

  Code	Display
  409712001	Mitral Valve Prolapse
  387700009	Prolonged latency

• Include these codes as defined in http://terminology.hl7.org/CodeSystem/v3-NullFlavor version 20090501

  Code	Display
  OTH	other
  UNK	unknown