Toxicology and results from ESR testing were still likely to be about a month away, he said.
Northover, 28, had been lying in state at Te Papa O Rotu Marae, Whatawhata, since Monday and was laid to rest today at 11am.
A mother of one, she was a popular woman and her family are well known in boxing circles.
Her parents, Dean and Tracey, run Mana Tangata Boxing Club in Hamilton.
She was also a qualified embalmer and funeral director and had worked at Hamilton's Simplicity Bereavement Services for two years, leaving six months ago.
A manager for the company said Northover continued to pop in and see the staff.