The 23-year-old suffered the injury on Saturday while on international duty with Nigeria.
Akpan, who has made 14 appearances for the Royals this season, is due to be back in action at the start of 2015.
Reading continue their Championship campaign on Friday when they make the trip to Cardiff City.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Birmingham CityBirmingham | 27 | 19 | 6 | 2 | 46 | 19 | 27 | 63 |
| 2 | Wycombe WanderersWycombe | 29 | 17 | 8 | 4 | 55 | 30 | 25 | 59 |
| 3 | Wrexham | 29 | 16 | 7 | 6 | 43 | 25 | 18 | 55 |
| 4 | Stockport CountyStockport | 29 | 14 | 8 | 7 | 44 | 28 | 16 | 50 |
| 5 | Huddersfield TownHuddersfield | 28 | 14 | 6 | 8 | 41 | 26 | 15 | 48 |
| 6 | Leyton Orient | 28 | 13 | 5 | 10 | 40 | 25 | 15 | 44 |
| 7 | Charlton AthleticCharlton | 28 | 12 | 8 | 8 | 36 | 28 | 8 | 44 |
| 8 | Reading | 28 | 13 | 5 | 10 | 43 | 41 | 2 | 44 |
| 9 | Bolton WanderersBolton | 29 | 13 | 5 | 11 | 43 | 43 | 0 | 44 |
| 10 | Barnsley | 29 | 12 | 7 | 10 | 41 | 39 | 2 | 43 |
| 11 | Stevenage | 27 | 11 | 7 | 9 | 27 | 25 | 2 | 40 |
| 12 | Lincoln CityLincoln | 29 | 10 | 9 | 10 | 35 | 34 | 1 | 39 |
| 13 | Blackpool | 28 | 9 | 11 | 8 | 41 | 40 | 1 | 38 |
| 14 | Mansfield TownMansfield | 27 | 11 | 4 | 12 | 35 | 34 | 1 | 37 |
| 15 | Rotherham UnitedRotherham | 28 | 10 | 7 | 11 | 33 | 33 | 0 | 37 |
| 16 | Wigan AthleticWigan | 28 | 9 | 7 | 12 | 27 | 28 | -1 | 34 |
| 17 | Exeter CityExeter | 29 | 9 | 5 | 15 | 33 | 46 | -13 | 32 |
| 18 | Peterborough UnitedPeterborough | 28 | 8 | 6 | 14 | 44 | 52 | -8 | 30 |
| 19 | Northampton TownNorthampton | 29 | 7 | 9 | 13 | 28 | 45 | -17 | 30 |
| 20 | Bristol Rovers | 27 | 8 | 4 | 15 | 25 | 43 | -18 | 28 |
| 21 | Burton Albion | 29 | 5 | 10 | 14 | 30 | 44 | -14 | 25 |
| 22 | Crawley TownCrawley | 27 | 6 | 6 | 15 | 27 | 48 | -21 | 24 |
| 23 | Shrewsbury TownShrewsbury | 28 | 6 | 5 | 17 | 28 | 48 | -20 | 23 |
| 24 | Cambridge UnitedCambridge | 28 | 5 | 7 | 16 | 29 | 50 | -21 | 22 |
| > League One Full Table | |||||||||
