Justificante Imss ((top)) (2026 Edition)

To provide a comprehensive overview of the (officially known as Certificado de Incapacidad Temporal para el Trabajo or Justificante Médico ) issued by the Mexican Social Security Institute (IMSS). This document serves as official proof of a medical consultation and, when applicable, certifies temporary disability for work purposes.

The is a legally protected medical certificate that justifies work absence and, in many cases, triggers economic benefits (sick pay). It must be issued exclusively by an IMSS physician based on a medical evaluation. Workers should ensure they obtain the correct format (ST1 for work risks, ST2 for general illness) and understand that the first three days of general illness are not paid by IMSS. Employers are obliged by law to accept these certificates. justificante imss

| Problem | Solution | |---------|----------| | Employer does not accept the justificante. | Remind employer of Article 251 LSS. File a complaint with IMSS or PROFEDET. | | IMSS doctor refuses to issue despite evident illness. | Request a second opinion within IMSS or file a medical complaint (Queja Médica). | | Lost justificante. | Request a duplicate at the same UMF (if within 30 days). | | Justificante issued but no payment from IMSS. | Check if employer reported the absence correctly. Verify with Subdelegación IMSS. | | Needing justificante for a past date. | Not possible – only from date of consultation forward. | To provide a comprehensive overview of the (officially