ICD-10-CM · Chapter 18 · R00-R99
R78 Findings of drugs and other substances, not normally found in blood
Excludes 2 (not included here)
- mental or behavioral disorders due to psychoactive substance use (F10-F19)
Use Additional Code
- code to identify any retained foreign body, if applicable (Z18.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R78..0 | Finding of alcohol in blood | Yes |
| R78..1 | Finding of opiate drug in blood | Yes |
| R78..2 | Finding of cocaine in blood | Yes |
| R78..3 | Finding of hallucinogen in blood | Yes |
| R78..4 | Finding of other drugs of addictive potential in blood | Yes |
| R78..5 | Finding of other psychotropic drug in blood | Yes |
| R78..6 | Finding of steroid agent in blood | Yes |
| R78..7 | Finding of abnormal level of heavy metals in blood | No |
| R78..71 | Abnormal lead level in blood | Yes |
| R78..72 | Abnormal gadolinium level in blood | Yes |
| R78..79 | Finding of abnormal level of heavy metals in blood | Yes |
| R78..8 | Finding of other specified substances, not normally found in blood | No |
| R78..81 | Bacteremia | Yes |
| R78..89 | Finding of other specified substances, not normally found in blood | Yes |
| R78..9 | Finding of unspecified substance, not normally found in blood | Yes |
Last reviewed: September 2026