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

Codes under R78 (Findings of drugs and other substances, not normally found in blood). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
R78.0	Finding of alcohol in blood	✓
R78.1	Finding of opiate drug in blood	✓
R78.2	Finding of cocaine in blood	✓
R78.3	Finding of hallucinogen in blood	✓
R78.4	Finding of other drugs of addictive potential in blood	✓
R78.5	Finding of other psychotropic drug in blood	✓
R78.6	Finding of steroid agent in blood	✓
R78.7	Finding of abnormal level of heavy metals in blood	—
R78.8	Finding of other specified substances, not normally found in blood	—
R78.9	Finding of unspecified substance, not normally found in blood	✓
R78.71	Abnormal lead level in blood	✓
R78.79	Finding of abnormal level of heavy metals in blood	✓
R78.81	Bacteremia	✓
R78.89	Finding of other specified substances, not normally found in blood	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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