The Economic Community of West African States (Ecowas) suspended Guinea from the bloc during the coup at the weekend, said Burkina Faso’s Foreign Minister Alpha Barry.
The decision was made on Wednesday at a virtual summit of the heads of state and government of the West African regional group.
The leaders of the 15-strong bloc also decided to hold a high-ranking, according to Barry, on Thursday in the capital Conakry.
An elite group of special forces seized power in Guinea on Sunday and accused President Alpha Conde of corruption and mismanagement.
Mr Conde is ruling the country for 11 years.
The presidents of Nigeria, Sierra Leone, Liberia and Senegal were among the leading representatives of the meeting on Wednesday, that of Nana Akufo-Add o Dankwa, the Ghanaian President and Ecowas Chairman.
The leaders demanded the return to civil rule and the immediate and unconditional release of Mr. Conde, who has been in custody since the soldiers came to power is.
The suspension means that Guinea has no say and is not involved in any Ecowas decision-making process.
The heads of state and government have fails to impose sanctions on Guinea.
However, the bloc may review its position based on the results of the planned mediation mission, said Barry.
The decision of the Ecowas comes when the coup leaders began to release political prisoners and the coup leader Mamady Doumbouya promised to form a transitional government of national unity.
< p class = "MsoPlain Text "> Reports say that around 100 political prisoners of the former president were released Tuesday evening.
They were arrested for taking part in mass protests against Conde’s bid for a controversial third term.
Opposition leader Cellou Dalein Diallo, Conde’s lead candidate in the country’s last three elections, has welcomed the change of government and this week expressed the hope that it would offer a new chance for open democracy in Guinea.