This value set includes codes based on the following rules:

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

  Code	Display
  85828009	Autoimmune condition
  49601007	Cardiovascular disease
  328383001	Chronic liver disease
  413839001	Chronic lung disease (asthma/emphysema/COPD)
  709044004	Chronic renal disease
  73211009	Diabetes Mellitus
  21134002	Disability
  8517006	Former smoker
  38341003	Hypertension
  38013005	Immunosuppressive condition
  74732009	Psychological/psychiatric condition
  361055000	Substance abuse or misuse
  83911000119104	Severe obesity (BMI >= 40)
  77176002	Current smoker

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

  Code	Display
  OTH	Other underlying condition/risk factors (specify)
  UNK	Unknown

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

  Code	Display
  PHC2277	Other chronic disease (specify)