• Include these codes as defined in http://terminology.hl7.org/CodeSystem/v3-RoleCode version 2.2.0

  Code	Display	Definition
  SIB	sibling	The player of the role shares one or both parents in common with the scoping entity.
  BRO	brother	The player of the role is a male sharing one or both parents in common with the scoping entity.
  HBRO	half-brother	The player of the role is a male related to the scoping entity by sharing only one biological parent.
  NBRO	natural brother	The player of the role is a male having the same biological parents as the scoping entity.
  TWINBRO	twin brother	The scoper was carried in the same womb as the male player and shares common biological parents.
  FTWINBRO	fraternal twin brother	The scoper was carried in the same womb as the male player and shares common biological parents but is the product of a distinct egg/sperm pair.
  ITWINBRO	identical twin brother	The male scoper is an offspring of the same egg-sperm pair as the male player.
  STPBRO	stepbrother	The player of the role is a son of the scoping person's stepparent.
  HSIB	half-sibling	The player of the role is related to the scoping entity by sharing only one biological parent.
  HSIS	half-sister	The player of the role is a female related to the scoping entity by sharing only one biological parent.
  NSIB	natural sibling	The player of the role has both biological parents in common with the scoping entity.
  NSIS	natural sister	The player of the role is a female having the same biological parents as the scoping entity.
  TWINSIS	twin sister	The scoper was carried in the same womb as the female player and shares common biological parents.
  FTWINSIS	fraternal twin sister	The scoper was carried in the same womb as the female player and shares common biological parents but is the product of a distinct egg/sperm pair.
  ITWINSIS	identical twin sister	The female scoper is an offspring of the same egg-sperm pair as the female player.
  TWIN	twin	The scoper and player were carried in the same womb and shared common biological parents.
  FTWIN	fraternal twin	The scoper and player were carried in the same womb and share common biological parents but are the product of distinct egg/sperm pairs.
  ITWIN	identical twin	The scoper and player are offspring of the same egg-sperm pair.
  SIS	sister	The player of the role is a female sharing one or both parents in common with the scoping entity.
  STPSIS	stepsister	The player of the role is a daughter of the scoping person's stepparent.
  STPSIB	step sibling	The player of the role is a child of the scoping person's stepparent.

This value set expansion contains 21 concepts.