The Birmingham City 22-year-old, who has been promoted from the U-23s, will replace Sydney striker Jodie Taylor, who has had to withdraw from the squad due to club commitments.
Christiansen has represented England at every level from the U-17s to U-23s and she was a key part of the U-19 squad that won the European Championship in Belarus in 2009.
The La Manga camp, which will incorporate a friendly against Norway, will be Mark Sampson’s first assignment as England’s new Head Coach.
The U-23s will also be in southern Spain next week for some warm-weather training.
Both squads will meet up on Sunday 12 January.
La Manga squad in full:
Goalkeepers - Karen Bardsley (Manchester City), Rachel Brown-Finnis (Everton), Siobhan Chamberlain (Arsenal)
Defenders - Laura Bassett (Chelsea), Gemma Bonner (Liverpool), Sophie Bradley (Notts County), Lucy Bronze (Liverpool), Rachel Daly (LA Strikers), Gilly Flaherty (Arsenal), Alex Greenwood (Everton), Steph Houghton (Manchester City), Jemma Rose (Bristol Academy), Alex Scott (Arsenal), Demi Stokes (University of South Florida), Dunia Susi (Chelsea), Corinne Yorston (Bristol Academy)
Midfielders - Anita Asante (Malmo), Jade Moore (Birmingham City), Jordan Nobbs (Arsenal), Jill Scott (Manchester City), Fara Williams (Liverpool)
Forwards - Eniola Aluko (Chelsea), Karen Carney (Birmingham City),Danielle Carter (Arsenal), Isobel Christiansen* (Birmingham City), Gemma Davison (Liverpool), Natasha Dowie (Liverpool), Toni Duggan (Manchester City), Lianne Sanderson (Boston Breakers), Ellen White (Notts County).
* replaced Jodie Taylor
Source / Photo - TheFA.com
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