This case-sensitive code system http://fhir.org/guides/who/anc-cds/CodeSystem/anc-persona defines the following codes:

Code	Display	Definition
Patient	PAT	Pregnant women are the primary clients receiving antenatal care (ANC) services from the targeted health worker personas. While this is a diverse population group with different demographics, psychological and social needs, they generally have the following expectations from ANC programmes: » maintaining a healthy pregnancy for mother and baby (including preventing and treating risks, illness and death); » having an effective transition to positive labour and birth; » maintaining physical and sociocultural normality; » achieving positive motherhood (including maternal self-esteem, competence, autonomy) (12,24). Specific considerations in health service delivery will need to be incorporated for pregnant women and girls from certain population groups, including, but not limited to: adolescent girls and young women, women and girls living with HIV, and women and girls with poor access to health-care facilities. The content specifications for pregnant women will become even more important as additional client-side digital functionalities (e.g. on-demand information services, targeted client communication [reminders], reporting of health system feedback by clients on the quality of care, personal health tracking) are incorporated.
ANM	Auxiliary Nurse Midwife	Auxiliary nurse midwives (ANMs) assist in the provision of maternal and newborn health care, particularly during childbirth but also in the prenatal and postpartum periods. ANMs have some training in secondary school and a period of on-the-job training may be included, sometimes formalized in apprenticeships. Like an auxiliary nurse, an auxiliary nurse midwife has basic nursing skills but no training in nursing decisionmaking. They possess some competencies in midwifery but are not fully qualified as midwives.
MW	Midwife	A person who has been assessed and registered by a state midwifery regulatory authority or similar regulatory authority. They offer care to childbearing women during pregnancy, labour and birth, and during the postpartum period. They also care for the newborn and assist the mother with breastfeeding. Their education lasts three, four or more years in nursing school, and leads to a university or postgraduate university degree, or the equivalent. A registered midwife has the full range of midwifery skills.
NRS	Nurse	A graduate who has been legally authorized (registered) to practise after examination by a state board of nurse examiners or similar regulatory authority. Education includes three, four or more years in nursing school, and leads to a university or postgraduate university degree, or the equivalent. A registered nurse has the full range of nursing skills.
LHW	Lay Health Worker	Any health worker who performs functions related to health-care delivery, was trained in some way in the context of the intervention but has received no formal professional or paraprofessional certificate or tertiary education degree.
CHW	Community Health Worker	Community health workers provide health education, referral and follow-up; case management and basic preventive health care; and home visiting services to specific communities. They provide support and assistance to pregnant women and their families in navigating the health and social services system.
NMWS	Nurse/Midwife Supervisor	Nurse/midwife supervisors coordinate and manage the nurses and midwives within their catchment area, including through a review of their monthly reports and disseminating clinical protocols.
FM	Facility Manager	Facility managers plan, direct, coordinate and evaluate the provision of clinical and community health services at the health-care facility. They provide overall direction, policy standards and operational criteria for the units they manage, including supervising and evaluating the recruitment, training and work activities of personnel. They monitor the use of health services and resources at the health-care facility. They liaise with other health and welfare service providers, boards (including community boards) and funding bodies to coordinate the provision of services.