The Islamabad High Court through newspaper advertisements has asked Sharif to appear before it by November 24 to avoid being declared a "proclaimed offender".
Wednesday's disclosure came just hours after PML-N's senior vice-president Shahid Khaqan Abbasi told the media that none of the party members had held one-on-one meeting with the army chief in the recent past.
Last month, the accountability court had issued a bailable arrest warrant and served summons at all known addresses of the three-time prime minister, who is currently in London
Maryam, the 46-year-old daughter of Pakistan's former prime minister Nawaz Sharif, was placed on the no-fly list in August 2018 in an alleged corruption case.
"Diagnosis of the bone marrow is a very sensitive issue, I would like the nation to pray for my father," he was quoted as saying.
The party insider said that Sharif expressed his annoyance over the government's "tricks" on the matter. Sharif was expected to leave Pakistan on Sunday.
They will discuss the issue and apprise Pakistan Prime Minister Imran Khan about its recommendation after which Khan would take the final decision on the matter.
His platelet count hovered around 28,000, some 122,000 less than the minimum normal level, on Monday, Dawn news reported
Geo News reported that the former Prime Minister's health had deteriorated since he was rushed to Services Hospital earlier this week with critically low platelet count in his blood
Ulema-e-Islam (JUI-F) chief Fazlur Rehman has demanded Khan's resignation, alleging that the election held in July, 2018 was rigged to help his Pakistan Tehreek-e-Insaf party
The Lahore Police, in a statement, said Safdar was arrested late Monday night near the Ravi Toll plaza.
The NAB likely will present Sharif before an accountability court on Friday to seek his physical remand.
The apex court said 69-year-old Sharif had concealed assets of the Capital FZE while filing his nomination forms in 2013, Dunya News TV reported.