ICD-10 diagnosis code
R78 Findings of drugs and other substances, not normally found in blood
R78 is the ICD-10 code for Findings of drugs and other substances, not normally found in blood. It is a three-character category divided into 10 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block R70–R79 (Abnormal findings on examination of blood, without diagnosis) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Category (3 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
What R78 excludes
Conditions that look similar but belong under another code.
- mental and behavioural disorders due to psychoactive substance use F10-F19
Subcodes of 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 psychotropic drug in blood
- R78.6Finding of steroid agent in blood
- R78.7Finding of abnormal level of heavy metals in blood
- R78.8Finding of other specified substances, not normally found in blood
- R78.9Finding of unspecified substance, not normally found in blood
R78 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R78Fynd av droger och andra substanser som normalt ej finns i blodet
DR78Påvisning af lægemidler og andre stoffer, som normalt ikke forekommer i blod
R78Lääkkeiden ja muiden vieraiden aineiden esiintyminen veressä
R78Nachweis von Drogen und anderen Substanzen, die normalerweise nicht im Blut vorhanden sind
R78Présence de drogues et d'autres substances non trouvées normalement dans le sang
R78aantreffen van geneesmiddelen en overige stoffen, normaal niet in bloed
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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