The Commission said: "Ms Shields' conduct as a licensed professional boxer constitutes an imminent threat to the integrity of professional boxing, the public interest, and the welfare and safety of professional athletes.".
Shields and Perkins were both scheduled to have been tested by the Voluntary Anti-Doping Agency (Vada) following their fight, due to the WBC's clean boxing programme.
BOXING superstar Claressa Shields has been suspended after testing positive for marijuana following her last win.
The ex-Olympic golden girl faces an investigation after the Michigan Unarmed Combat Commission suspended her from fighting in the state.
The American is said to have tested positive after providing an "oral fluid sample" following the bout.
