The United States will leave "a small peacekeeping group" of 200 American troops in Syria for a period of time after a US pullout, the White House says.
"A small peacekeeping group of about 200 will remain in Syria for a period of time," White House spokeswoman Sarah Sanders said in a brief statement.
President Donald Trump had earlier spoken about the Syria conflict via telephone with Turkish counterpart Tayyip Erogan, agreeing to carry out the military withdrawal in line with their mutual interests.
Turkey wants to set up a safe zone with logistical support from allies and says it should be cleared of the US-backed Kurdish YPG militia.
Trump in December ordered a withdrawal of the 2000 American troops in Syria on the defeat of the last remnants of the Islamic State militancy there.
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But he has been under pressure from some advisers to adjust his policy to ensure the protection of Kurdish forces who supported the fight against Islamic State and who might now be threatened by Turkey.
