This case-sensitive code system http://who.int/cg/CodeSystem/extended-content-codes defines the following codes:

Code	Display	Definition
Returning Client	Returning client	Visit type - Returning client
Referral	Referral	Visit type - Referral
New Client	New client	Visit type - New client
First visit for symptoms	First visit for symptoms	Visit type - First visit for symptoms
STI Follow up	Follow up for STI management	Visit type - Follow up for STI management
Community	Community	Referred by - Community
Facility	Facility	Referred by - Facility
Levonorgestrel (LNG) two-rod implant	Levonorgestrel (LNG) two-rod implant	Method at intake - Levonorgestrel (LNG) two-rod implant
Other	Other	Reason for no contraceptive method - Reported at intake - Other
Other	Other	HIV Test Result - Other
Don't know	Don't know	Current medications - Don't know
STI medication	STI medication	Current medications - STI medication
Other Antibiotics	Other antibiotics	Current medications - Other antibiotics
Other	Other (specify)	Current medications - Other (specify)
Other	Other	Drug allergies - Other
PrEP status	PrEP status	PrEP status
Antiretroviral regimen (date and dose)	Antiretroviral regimen (date and dose)	Antiretroviral regimen (date and dose)
NONE	No education	Highest level of education achieved - No education
Other	Other (specify)	Occupation - Other (specify)
G	Government	Payment method - Government
I	Insurance	Payment method - Insurance