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
  PHC687	Contact of Infectious TB Patient
  PHC686	Contact of MDR-TB Patient
  PHC692	Immunosuppression (not HIV/AIDS)
  PHC689	Incomplete LTBI Therapy
  PHC688	Missed Contact
  PHC693	None/No additional risk factors
  PHC691	Post-organ Transplantation
  PHC690	TNF Antagonist Therapy

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

  Code	Display
  73211009	Diabetes mellitus
  46177005	End stage renal disease

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

  Code	Display
  OTH	Other (specify)