AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2026 Quarter 4; New/Revised ICD-10-CM Codes

Abnormal Gadolinium Level in the Blood

Code R78.72 , Abnormal gadolinium level in blood, has been added to subcategory R78.7 , Finding of abnormal level of heavy metals in blood, to identify gadolinium found in the blood.  The finding of gadolinium in the blood usually indicates retention of a contrast agent utilized in a magnetic resonance imaging (MRI) scan. While the contrast agent usually clears, lingering gadolinium can deposit in tissues, such as brain, muscle, joints, and bones. The retention of gadolinium can lead to gadolinium toxicity. Gadolinium toxicity can cause brain damage and nerve disorders inclusive of movement disorders and resultant muscle, joint...

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