Updated

St. Louis, MO (SportsNetwork.com) - St. Louis Blues defenseman Kevin Shattenkirk will undergo abdominal surgery, general manager Doug Armstrong said Monday.

Shattenkirk was injured in Sunday's 4-3 win at Washington. He will have the surgery in the next seven to 10 days and be listed as week-to-week following the procedure.

The 26-year-old All-Star has eight goals and 32 assists in 49 games this season.