The Children's Commissioner Judge Andrew Becroft is warning Pharmac not to play one group of children with a life threatening illness off against another.
His comments come after RNZ revealed that Pharmac is likely to end the blanket provision of child cancer drugs.
It says the move is in response to discrimination claim taken under the Human Rights Act. Fiona Tolich asked why Pharmac was funding all child cancer drugs but wouldn't fund Spinraza for 35 children with the deadly genetic condition SMA.
As concern mounts about the move the Health Minister Andrew Little is being asked to intervene.
Here is Guyon Espiner.