R46: Symptoms and signs involving appearance and behaviour

R46.4: Slowness and poor responsiveness

Lethargic behavior can express itself through unusually slow movements, for example. You may also speak more slowly or react more sluggishly when addressed. Lethargic behavior can occur, for example, if the brain’s function is disordered or when taking certain medications.

Patient Disclaimer

The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.

If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.

For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.