R79.83
R79.83: Abnormal findings of blood amino-acid level
Billable / specific codeICD-10-CM
R79.83 is a billable, specific ICD-10-CM code for abnormal findings of blood amino-acid level. It is valid for submission on a claim.
Check R79.83 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Homocysteinemia
Excludes1 inherited from the categories above R79.83
A category’s note binds every code beneath it.
Written on R79: Other abnormal findings of blood chemistry
- 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.-)
Excludes2 inherited from the categories above R79.83
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
R79.83 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57189Billing and Coding: Serum Magnesium
Alphabetic index entries that lead here
- Homocysteinemia
- Homocystinemia
- Abnormal, abnormality, abnormalities›blood amino-acid level
Code history
Unchanged in every release from FY2024 to FY2027.