The 57-cap international joins Wales captain Craig Bellamy on the doubtful list for Wales' summer games, while West Ham defender Danny Gabbidon is a long-term absentee.
For Warrington-born Rickard, however, the year was also hugely significant as she bettered the 103-cap mark set by ex-Wales captain Gareth Thomas in the men's game, whose tally included three British and Irish Lions appearances.
Capello was asked about former captain David Beckham's hopes of winning his 100th cap against Switzerland and continuing his England career until the 2010 World Cup.