| R89 | Abnormal findings in specimens from other organs, systems and tissues | NON-BILLABLE CODE |
| R89.0 | Abnormal level of enzymes in specimens from other organs, systems and tissues | BILLABLE CODE |
| R89.1 | Abnormal level of hormones in specimens from other organs, systems and tissues | BILLABLE CODE |
| R89.2 | Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissues | BILLABLE CODE |
| R89.3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissues | BILLABLE CODE |
| R89.4 | Abnormal immunological findings in specimens from other organs, systems and tissues | BILLABLE CODE |
| R89.5 | Abnormal microbiological findings in specimens from other organs, systems and tissues | BILLABLE CODE |
| R89.6 | Abnormal cytological findings in specimens from other organs, systems and tissues | BILLABLE CODE |
| R89.7 | Abnormal histological findings in specimens from other organs, systems and tissues | BILLABLE CODE |
| R89.9 | Unspecified abnormal finding in specimens from other organs, systems and tissues | BILLABLE CODE |
