R78

Classification

Category:Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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Coding Guidance

R78 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.

Excludes 2

Use Additional Code

Z18

code to identify the any retained foreign body, if applicable

More Specific Codes

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

External Resources

2025 ICD-10 guidelines from CMS.gov