Real blamed "human error" for the mix-up, and Ramos has reacted angrily to suggestions that he is a cheater, insisting that he has never failed a drugs test in his career.
Furthermore, the report claims Uefa kept the breach quiet and did not take any disciplinary action.
"In the future, we ask you and your team doctor to be utmost cautious when completing the doping control form and more precisely the declaration of medication", a letter from UEFA to Madrid reportedly said in confirming that no investigation into the irregularity would be opened. According to Der Spiegel, tests were carried out on Cristiano Ronaldo and Toni Kroos but that there had been tension and Madrid's own doctors intervened to carry out the remaining eight tests, which is against the protocol.
After Real Madrid's 3-0 defeat to Eibar, he said: 'It is a complicated issue.
"Over the course of my long sporting career, I have submitted to, and passed satisfactorily, an infinite number of anti-doping tests", said Ramos.
"We already know what kind of publications they are", continued Ramos.
Nobody seems to know exactly how truthful Football Leaks' claims are at this stage, but it certainly leaves a sour taste in the mouth of football fans. But it is an attempt to stain my image and my professional reputation.More news: 1 teen dead, 2 others injured after Alabama mall shooting
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Egyptian King Salah scored Liverpool's opener against Watford in the Premier League and then pulled out a hand sign that was very similar to Real Madrid skipper Sergio Ramos' usual celebration, and fans love the Mo mockery.
"With respect to the right to information, I must also uphold my right to honour".
"Sergio Ramos has never breached anti-doping control regulations".
Ramos, it was claimed, tested positive for dexamethasone, a glucocorticoid drug that is only permitted if a medical doctor reports its administration.
Real Madrid have categorically denied the allegations.
The club's statement about the Ramos allegations also seems to include the reported events of February and no doubt the situation will become clearer in days to come.
"All UEFA doping control cases are conducted in full compliance with the World Anti-Doping Agency (WADA) Code".