How to report medical malpractice in Spain: a complete 2026 guide
Suffering a medical error is only the first step of a complex legal journey. We explain how to identify medical malpractice, the available legal routes (civil, criminal and administrative), limitation periods, the key expert reports and how to claim fair compensation from public hospitals, private clinics or their insurers.
What medical malpractice actually means
Medical malpractice occurs when a healthcare professional or facility breaches the lex artis ad hoc — the standard of care required by current medical science and the specific circumstances — and that breach causes harm to the patient.
Not every complication is malpractice. Medicine is an obligation of means, not of result: the professional must use all reasonable means but does not guarantee a cure. The legal key is to prove a breach of the duty of care and a causal link with the damage suffered.
> Practical note: before filing any claim, request the complete clinical history. It is a patient right under Law 41/2002 and indispensable for the medical expert to assess the case.
Typical malpractice scenarios
- Misdiagnosis or delayed diagnosis (especially in cancer and serious infections).
- Surgical errors: surgical items left inside the body, wrong-site surgery, avoidable nerve damage.
- Lack of informed consent on risks, alternatives and sequelae.
- Nosocomial infections caused by protocol or asepsis failures.
- Obstetric errors (undetected foetal distress, delayed caesarean).
- Medication errors (prescription, dose or interaction).
- Premature hospital discharge that worsens the clinical picture.
Legal routes to file a malpractice claim
There are three main routes; the choice depends on the type of facility and the nature of the harm:
1. Civil route
Applicable to private healthcare and claims against doctors and insurers. Compensation is sought under articles 1101 (contractual liability) and 1902 (extra-contractual liability) of the Civil Code. The burden of proof lies with the patient, although case law accepts the doctrine of disproportionate damage.
2. Administrative route
Used against public healthcare (regional health services). A prior claim of administrative patrimonial liability must be filed with the health authority. If rejected — expressly or by silence — an administrative-judicial appeal can be lodged. Deadline: one year from the cure or stabilisation of sequelae.