Is R78 a billable code?
No. R78 is a header code that groups 13 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
R78: Findings of drugs and other substances, not normally found in blood
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
R78 groups related diagnoses under findings of drugs and other substances, not normally found in blood. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under R78
- R78.0Finding of alcohol in blood
- R78.1Finding of opiate drug in blood
- R78.2Finding of cocaine in blood
- R78.3Finding of hallucinogen in blood
- R78.4Finding of other drugs of addictive potential in blood
- R78.5Finding of other psychotropic drug in blood
- R78.6Finding of steroid agent in blood
- R78.71Abnormal lead level in blood
- R78.72Abnormal gadolinium level in blood
- R78.79Finding of abnormal level of heavy metals in blood
- R78.81Bacteremia
- R78.89Finding of other specified substances, not normally found in blood
- R78.9Finding of unspecified substance, not normally found in blood
R78 questions
What does R78 mean?
R78 is the ICD-10-CM code for Findings of drugs and other substances, not normally found in blood. It is in chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.