ICD-10-CM
ICD-10 code for Abnormal, abnormality, abnormalities blood amino-acid level: R79.83
The ICD-10-CM index points "Abnormal, abnormality, abnormalities blood amino-acid level" to R79.83, Abnormal findings of blood amino-acid level. R79.83 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in R79
A header groups codes and is not billed. A billable code is one you can report.
- R79Other abnormal findings of blood chemistryHeader
- R79.0Abnormal level of blood mineralBillable
- R79.1Abnormal coagulation profileBillable
- R79.8Other specified abnormal findings of blood chemistryHeader
- R79.81Abnormal blood-gas levelBillable
- R79.82Elevated C-reactive protein (CRP)Billable
- R79.83Abnormal findings of blood amino-acid levelBillable
- R79.89Other specified abnormal findings of blood chemistryBillable
- R79.9Abnormal finding of blood chemistry, unspecifiedBillable
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From R79. A note on a category applies to every code under it.
Use additional code to identify any retained foreign body, if applicable (Z18.-)
Excludes1
Excludes1 means these codes are not reported together.
From R79. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From R79. A note on a category applies to every code under it.
Related conditions
Related pages
- R79.83 code detailsNotes, nearby codes, CMS-HCC group
- Category R79Every code under it
- Chapter 18Symptoms, signs and abnormal clinical findings
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Abnormal, abnormality, abnormalities blood amino-acid level?
The ICD-10-CM index points "Abnormal, abnormality, abnormalities blood amino-acid level" to R79.83, Abnormal findings of blood amino-acid level. R79.83 is a billable code.
Is R79.83 billable?
Yes. R79.83 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to R79.83?
The CDC tabular list gives 7 Excludes1 notes (not coded together), 1 Excludes2 note (may be coded together when both are documented), 1 "use additional code" note for R79.83 and the categories above it. They are listed on this page.
What chapter is R79.83 in?
Chapter 18. Symptoms, signs and abnormal clinical findings.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.