BNP Chairperson Khaleda Zia provided her biometric fingerprints to the US Embassy on Wednesday as part of a process to complete her visa application.
"Madam (Khaleda) may need to travel to the US for better treatment. This is why she visited the US Embassy today (Wednesday) to provide her biometric fingerprints," personal doctor Prof AZM Zahid Hossain told UNB.
Accompanied by Dr Zahid, BNP Organising Secretary Shama Obed, Chairperson's Private Secretary ABM Abdus Sattar, and her personal physician Mohammad Mamun, Khaleda Zia arrived at the embassy around 2:20 pm.
Upon her arrival, senior officials of the US Embassy greeted the BNP chairperson.
According to party sources, the BNP chief is scheduled to travel to the UK early next month.
Party sources said the BNP chief will go to the UK first early next month.
Later, she may travel to the USA or Germany for advanced treatment.
Khaleda Zia, a former prime minister, has been struggling with a range of serious health issues, including liver cirrhosis, and problems with her heart, lungs, kidneys and eyes.
Since her conditional release, she has undergone multiple treatments at Evercare Hospital in the capital, under the supervision of a medical board chaired by Prof Shahabuddin Talukder.
The BNP has made all the necessary arrangements to send her abroad for specialised treatment at a state-of-the-art medical facility.