Joanne Gai Widders is alleged to have stabbed a 37-year-old man in the head and upper chest at a Sue Crescent home in West Tamworth on the night of May 13.

Police prosecutor Sergeant Jody Westman told Tamworth Local Court investigators needed six more weeks to compile further evidence, because the brief is "non-compliant".

"The DPP still require the expert statement in relation to the wound," she said.

The court heard the "informant has spoken to the doctor" who is yet to provide the expert statement, needed in the case.

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Sergeant Westman said if the doctor doesn't provide the evidence soon, they could be subpoenaed to court to answer why.

But magistrate Roger Prowse queried the charge of malicious wounding with intent to cause grievous bodily harm (GBH).

"I don't think we've been maliciously wounding people for awhile," he said, examining the charge papers.

"They're probably after a few more things as well."

Aboriginal Legal Service (ALS) solicitor Tess Mulock did not oppose the adjournment "in the circumstances", and made no bid for bail for her client, who did not appear in court.

Mr Prowse granted the extra time, and ordered the full brief to be served on the Aboriginal Legal Service (ALS) before the case returns to court in mid-August.

"Bail not applied for, it's refused," he said.

Police allege 47-year-old Widders knew the man and stabbed him multiple times in the the head and upper chest area in and domestic violence-related confrontation. He was rushed to Tamworth hospital and placed in an induced coma in the intensive care unit.

Widders has not been required to enter a plea to the charge.

She has been in custody since her arrest on the night of the alleged stabbing.

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