R78: Findings of drugs and other substances, not normally found in blood

R78.8: Finding of other specified substances, not normally found in blood

For example, the metal lithium may have been detected in your blood. Lithium is sometimes given as a drug for mental illness. Too much lithium in your body may cause you to have various symptoms. This includes gaining weight and feeling sick, for example.

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.