He picked up the injury when he was hit while fielding in the fourth game in Mumbai but he will remain with the squad ahead of the Twenty20 International on 29th October.
Scans revealed the fracture on his left thumb but he will undergo assessment and treatment prior to the Twenty20 game, which also takes place at Kolkata's Eden Gardens.
Pietersen had enjoyed a reasonable series with the bat, scoring 170 runs in the series, which England trail 4-0.
© Cricket World 2011
Open an account with bet365 today and qualify for up to £200 in free bets with our fantastic 100% Deposit Bonus.