R79 ICD-10-CM Code: Other abnormal findings of blood chemistry
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
R79Other abnormal findings of blood chemistry
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where R79 sits
- 1
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- 2
Section
Abnormal findings on examination of blood, without diagnosis (R70-R79)
- 3
Category R79
Other abnormal findings of blood chemistry
- 4
Code R79
Other abnormal findings of blood chemistry
More specific choices
Codes under R79
R79 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for R79.
Code first
No “code first” instruction is listed for R79.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes1
Conditions that should not be reported together with this code.
- 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
Conditions not included here that may be reported separately when present.
- hyperglycemia NOS (R73.9)
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code R79 mean?
R79 is the FY 2027 U.S. ICD-10-CM code for “Other abnormal findings of blood chemistry.”
Is R79 a billable or specific ICD-10-CM code?
No. R79 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is R79 located in ICD-10-CM?
R79 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within Abnormal findings on examination of blood, without diagnosis (R70-R79) (R70–R79), under category R79, Other abnormal findings of blood chemistry.
What coding notes are listed for R79?
No inclusion terms are listed for R79 in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify any retained foreign body, if applicable (Z18.-). Excludes1 notes: 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 notes: hyperglycemia NOS (R73.9).
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