Four months after her forced stay at a psychiatric facility, Britney Spears is still unable to participate “in any meaningful way” in legal proceedings and may need further tests, a court commissioner presiding over Spears’s conservatorship said Thursday.

Spears’s doctor has made a “differential diagnosis” and “wants to do additional testing in the not-too-distant future – something we will need to address in June,” L.A. Superior Court Commissioner Reva Goetz said in court after a private, 90-minute discussion with lawyers.

For now, Spears can’t take part in the “litigation process or in discovery proceedings,” Goetz said.

Attorneys did not reveal what was discussed in chambers. No Spears family members were present at the hearing, and Goetz made no rulings in open court other than to say that she is expecting a business plan for Spears to be filed by attorneys by June 13.

Spears’s affairs are being handled by her father, Jamie, and attorney Andrew Wallet.

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