Toxic effect of gadolinium, undetermined, initial encounter

This code signifies an adverse reaction to gadolinium, a contrast agent often used in MRI scans, where the specific nature of the toxic effect is not yet determined. It indicates that the patient is experiencing symptoms or signs of toxicity, but a definitive diagnosis of the exact type of gadolinium-related adverse event has not been established. This is an initial encounter, meaning the patient is receiving active treatment for this condition.

Use this code when a patient presents with symptoms suggestive of gadolinium toxicity (e.g., nephrogenic systemic fibrosis, allergic reaction, or other systemic effects) following exposure to the contrast agent, and further investigation is required to pinpoint the exact toxic effect. It is appropriate for the initial visit where treatment for the suspected toxicity is initiated.

• Assign this code only for the initial encounter where the patient is actively being treated for the suspected gadolinium toxicity.
• Do not use this code if a more specific type of gadolinium toxicity (e.g., nephrogenic systemic fibrosis) has already been diagnosed.
• Always sequence this code as a primary diagnosis when it is the reason for the encounter, or as a secondary diagnosis if the gadolinium toxicity is a complication of another condition being treated.