Treatments cost $582 a month, including $376.80 for DDAVP, a medicine used to treat Rhayne's diabetes insipidus, which prevents her kidneys functioning properly.
"She needs the DDAVP to help her live," said Kake-Harrison.
The government agency Pharmac funded DDAVP in drop and spray form, but Rhayne needed a pill after Nasal surgery on a tumour.
Pharmac acting chief executive Steffan Crausaz said in cases where patients such as Rhayne couldn't take the drop or spray, they should apply for their circumstances to be considered.
"A number of patients with diabetes insipidus [at present] receive funding for [DDAVP] tablets through this system, and we consider each patient on a case-by-case basis."
Yesterday Rhayne was overwhelmed by her party. Friends and family she hadn't seen since November arrived from Kaitaia and Australia. Asked if she thought she was brave, Rhayne said, "Yes, sometimes. I've had 10 operations."
She was looking forward to resuming some school work soon. And she's ready for the next step in her treatment - radiation therapy in two weeks.