The Wales international came off after 53 minutes in Tuesday's 4-1 Champions League Group G win over Ferencvaros in Hungary.
Sala's mother, Mercedes Taffarel, welcomed the news, but was "disappointed that it has today resulted in what may be a further significant delay to the inquest into Emiliano's death," according to her legal firm Hickman and Rose.
Football club Cardiff has formally filed an appeal to sport's highest court seeking to overturn a FIFA order it must pay Nantes a 6 million euros ($6.7 million) first payment for Emiliano Sala.
FIFA warns Cardiff City of potential three-window transfer ban in event of non-payment to Nantes for Emiliano Sala
The threat facing Cardiff was detailed Monday in FIFA's published verdict in a dispute over the Argentine forward who died in a plane crash in January before playing for his new team
Cardiff City knock on CAS's door to appeal FIFA's order asking them to pay 6 million euros to Nantes for Emiliano Sala transfer
Cardiff City say they will appeal to sport's highest court against FIFA's ruling that the club should pay 6 million euros to Nantes as a first installment of the transfer fee for Emiliano Sala.
FIFA order Cardiff City to pay Nantes six million euros as first installment for transfer deal of late Emiliano Sala
Cardiff City must pay Nantes an initial six million euros in their dispute over the payment of the transfer fee for Emiliano Sala, FIFA said on Monday.
FIFA gives Cardiff City, Nantes 10 days to reach settlement over payment of transfer fee for deceased footballer Emiliano Sala
Nantes appealed to the commission in February after Cardiff failed to pay 17 million euros the French club said it was owed following the transfer of Argentine striker Sala, who died on 17 January in a plane crash while travelling to join his new club
A man has been arrested on suspicion of manslaughter over the death of Argentine footballer Emiliano Sala, British police confirmed on Wednesday.
Premier League: Spanish midfielder Ander Herrera confirms Manchester United exit in emotional farewell video
Manchester United midfielder Ander Herrera has confirmed he will leave the club at the end of the Premier League season when his contract expires, the 29-year-old said on Saturday.
Premier League: Manchester United must invest wisely in transfer market, says club's manager Ole Gunnar Solskjaer
A brief resurgence under Solskjaer gave United hope of finishing in the top four but they failed to qualify for the Champions League after winning only two of their last eight games.
Premier League: Tottenham fail to cement top-four berth with loss to West Ham; Cardiff slip closer to relegation
Mauricio Pochettino admitted Tottenham are suffering from fatigue after Michail Antonio fired West Ham to a 1-0 victory on Saturday, while Cardiff's 1-0 loss at Fulham leaves them in severe danger of relegation from the Premier League.
Premier League: Manchester City gear up for Tottenham replay after European exit; Liverpool wary of Cardiff as title race hots up
The third act of Manchester City and Tottenham's trilogy has some living up to do after a Champions League classic saw Spurs prevail on away goals to reach the semi-finals.
Premier League: Cardiff City keep survival bid alive with crucial win over relegation rivals Brighton and Hove Albion
Cardiff kept alive their bid to secure Premier League survival with a crucial 2-0 win against fellow strugglers Brighton on Tuesday.
Fantasy Premier League, Gameweek 34 tips: A false double gameweek, reaping benefits of Tottenham's injuries and more
Catch the best tips for Fantasy Premier League (FPL) Gameweek 34
Premier League: Manchester City return to the summit with Cardiff victory; Tottenham enjoy winning start to life in new stadium
Manchester City brushed aside struggling Cardiff to leapfrog Liverpool at the top of the Premier League on Wednesday as Tottenham opened their glittering stadium in style.
Premier League: Cardiff City await Nantes response after requesting French club for meeting over Emiliano Sala dispute
Premier League club Cardiff have requested a meeting with French outfit Nantes to resolve their dispute over Emiliano Sala's transfer fee, the Welsh side said on Wednesday.
Premier League: From fringe player to Pep Guardiola's go-to man, tracing Bernardo Silva's growth at Manchester City
Pep Guardiola must decide how to shuffle his Manchester City line-up for Wednesday's visit of struggling Cardiff to the Etihad, with an eye on the weekend FA Cup semi-final against Brighton.
Premier League best in the world but have worst referees, says Cardiff manager Neil Warnock after controversial loss
Cardiff manager Neil Warnock was furious that Cesar Azpilicueta was allowed to head a late equaliser from an offside position as Chelsea hit back to win.
Maurizio Sarri rode his luck as Chelsea narrowly avoided humiliation at Cardiff to hit back and snatch a controversial 2-1 win.
Premier League: Cardiff City shocked by 'disregard of rules' from individuals responsible for chartering Emiliano Sala's flight
Sala died when the Piper Malibu aircraft they were travelling in came down in the English Channel on 21 January, two days after Cardiff had signed the Argentinian striker from French club Nantes.