The 20-year-old initially joined the Championship outfit on a one-month loan deal in October, but the Blues were able to extend that to December 14.
It has now been confirmed by both parties that Lingard will remain at St Andrew's until January 1.
Lingard has netted six goals in seven games so far for Birmingham.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Brighton & Hove AlbionBrighton | 1 | 1 | 0 | 0 | 3 | 0 | 3 | 3 |
| 2 | Liverpool | 1 | 1 | 0 | 0 | 2 | 0 | 2 | 3 |
| 3 | Manchester CityMan City | 1 | 1 | 0 | 0 | 2 | 0 | 2 | 3 |
| 4 | Arsenal | 1 | 1 | 0 | 0 | 2 | 0 | 2 | 3 |
| 5 | Brentford | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 3 |
| 6 | Aston Villa | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 3 |
| 7 | Newcastle UnitedNewcastle | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 3 |
| 8 | Manchester UnitedMan Utd | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 3 |
| 9 | Tottenham HotspurSpurs | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
| 10 | Leicester CityLeicester | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
| 11 | Bournemouth | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
| 12 | Nottingham ForestNott'm Forest | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
| 13 | West Ham UnitedWest Ham | 1 | 0 | 0 | 1 | 1 | 2 | -1 | 0 |
| 14 | Crystal Palace | 1 | 0 | 0 | 1 | 1 | 2 | -1 | 0 |
| 15 | Fulham | 1 | 0 | 0 | 1 | 0 | 1 | -1 | 0 |
| 16 | Southampton | 1 | 0 | 0 | 1 | 0 | 1 | -1 | 0 |
| 17 | Wolverhampton WanderersWolves | 1 | 0 | 0 | 1 | 0 | 2 | -2 | 0 |
| 18 | Ipswich TownIpswich | 1 | 0 | 0 | 1 | 0 | 2 | -2 | 0 |
| 19 | Chelsea | 1 | 0 | 0 | 1 | 0 | 2 | -2 | 0 |
| 20 | Everton | 1 | 0 | 0 | 1 | 0 | 3 | -3 | 0 |
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