R78 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Findings of drugs and other substances, not normally found in blood.
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Code to identify the any retained foreign body, if applicable (Z18.-)
Mental or behavioral disorders due to psychoactive substance use (F10-F19)
Finding of alcohol in blood
Finding of opiate drug in blood
Finding of cocaine in blood
Finding of hallucinogen in blood
Finding of other drugs of addictive potential in blood
Finding of other psychotropic drug in blood
Finding of steroid agent in blood
Finding of abnormal level of heavy metals in blood
Finding of other specified substances, not normally found in blood
Finding of unspecified substance, not normally found in blood
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