When Can We Use L4 Online – Indications, Rules, and Limitations

When can we use L4 online? This is a question that arises more frequently with the development of telemedicine and widespread access to remote consultations. An online medical leave is a legal and equivalent form of e-leave, provided that medical conditions are met and the doctor can reliably assess the patient’s inability to work based on a teleconsultation, as confirmed by scientific research.

• L4 online is possible when the doctor confirms the inability to work during a teleconsultation.
• It most often concerns infections, chronic diseases, and mental health issues.
• The leave is automatically sent to ZUS and the employer.
• Not every health situation qualifies for L4 online.

See also: How to read medication leaflets to avoid side effects?

What is online medical leave (e-ZLA)?

Online medical leave (e-ZLA) is an electronic form of leave issued by a doctor after a remote consultation, most often during a teleconsultation. It has the same legal power as a leave issued during an in-person visit.

E-ZLA is automatically transmitted to the social insurance system and to the employer, so the patient does not have to provide any documents. Research on the digitization of healthcare shows that this model reduces the number of formal errors and shortens the processing time for benefits.

The basis for issuing e-ZLA is always a medical assessment, not just the patient’s request.

When is a teleconsultation sufficient to issue L4?

A teleconsultation can be a sufficient basis for issuing L4 online when the doctor is able to assess the patient’s health without a physical examination. This applies to situations where the symptoms are typical, known, or well-documented.

Clinical studies indicate that in many cases, the effectiveness of decisions made during a teleconsultation is comparable to that of an in-person visit. However, a thorough interview and the ability to ask the patient detailed questions are essential.

If the doctor believes that a remote assessment is insufficient, they are obliged to refuse L4 online and suggest an in-person visit.

In which diseases is L4 online most often issued?

L4 online is most often issued for conditions with a predictable course that do not require direct examination. This applies to both acute infections and chronic problems.

The most common indications include:

• Infections such as flu, cold, or COVID-19.
• Chronic diseases, e.g., back pain or migraine.
• Mental health issues, including depression, chronic stress, and burnout.

Public health studies confirm that allowing rest and recovery in these conditions reduces the risk of complications and relapses.

Does inability to work always mean the possibility of L4 online?

Inability to work is a necessary condition, but not always sufficient to obtain L4 online. The doctor must assess whether the health condition truly prevents the performance of professional duties.

Occupational medicine studies show that the nature of the work performed is significant. The same health condition may result in inability for one person, but not for another.

The decision is always made individually and is up to the doctor.

What does L4 online look like in the case of mental health issues?

Mental health issues are one of the more common reasons for using L4 online. A teleconsultation allows for a safe and discreet conversation, which can be particularly important for patients.

Psychiatric studies confirm that an initial assessment of conditions such as depression, severe stress, or burnout can be effectively conducted remotely. In many cases, the doctor can issue L4 online and then plan further treatment.

If the symptoms are severe or raise diagnostic doubts, an in-person visit may be necessary.

Can you obtain L4 online for caring for loved ones?

L4 online can also apply to caring for loved ones, including a sick child. The doctor assesses the situation based on the interview and information about the health status of the person requiring care.

Family medicine studies indicate that access to e-leaves for caregiving improves continuity of care and reduces caregiver stress. In such cases, the leave is also transmitted electronically.

These rules are no different from those for leaves issued in person.

What role does the Social Insurance Institution (ZUS) play?

The Social Insurance Institution is responsible for receiving and controlling medical leaves, including e-ZLA issued online. The system automatically verifies the formal correctness of the leave.

Systematic studies show that the electronic circulation of documents increases transparency and reduces abuse. ZUS can conduct a verification of the legitimacy of the leave, regardless of whether it was issued online or in person.

For the patient, the process is fully automated.

When is it not possible to use L4 online?

Not every health situation qualifies for L4 online. Limitations include conditions requiring physical examination or urgent diagnostics.

This includes, among others:

• Acute injuries.
• Severe, unclear pain symptoms.
• Symptoms suggesting a life-threatening condition.

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Research on the safety of telemedicine clearly indicates that in such cases, an in-person visit is necessary.

Q&A Section

Is online sick leave (L4) as important as in-person sick leave?
Yes, e-ZLA has full legal force.

Does a doctor have to issue online sick leave at the patient’s request?
No, the decision always rests with the doctor.

Does the employer see that the sick leave was issued online?
No, the employer receives information about the sick leave but not about the form of the consultation.

Sources

• Greenhalgh T, et al. Remote consultations and clinical assessment. BMJ.
• OECD. Telemedicine and sickness certification.
• WHO. Digital health and workforce capacity.