ICD-10-CM · Chapter 18 · R00-R99
R79 Other abnormal findings of blood chemistry
Excludes 1 (cannot be coded together)
- asymptomatic hyperuricemia (E79.0)
- hypoglycemia NOS (E16.2)
- neonatal hypoglycemia (P70.3-P70.4)
- specific findings indicating disorder of amino-acid metabolism (E70-E72)
- specific findings indicating disorder of carbohydrate metabolism (E73-E74)
- specific findings indicating disorder of lipid metabolism (E75.-)
Excludes 2 (not included here)
- hyperglycemia NOS (R73.9)
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 |
|---|---|---|
| R79..0 | Abnormal level of blood mineral | Yes |
| R79..1 | Abnormal coagulation profile | Yes |
| R79..8 | Other specified abnormal findings of blood chemistry | No |
| R79..81 | Abnormal blood-gas level | Yes |
| R79..82 | Elevated C-reactive protein (CRP) | Yes |
| R79..83 | Abnormal findings of blood amino-acid level | Yes |
| R79..89 | Other specified abnormal findings of blood chemistry | Yes |
| R79..9 | Abnormal finding of blood chemistry, unspecified | Yes |
Last reviewed: September 2026