R79.9
BillableAbnormal finding of blood chemistry, unspecified
Abnormal finding of blood chemistry, unspecified
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •asymptomatic hyperuricemiaE79.0
- •hyperglycemia NOSR73.9
- •hypoglycemia NOSE16.2
- •neonatal hypoglycemiaP70.3-P70.4
- •specific findings indicating disorder of amino-acid metabolismE70-E72
- •specific findings indicating disorder of carbohydrate metabolismE73-E74
- •specific findings indicating disorder of lipid metabolismE75
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
- •abnormalities of lipidsE78
- •abnormalities of platelets and thrombocytesD69
- •abnormalities of white blood cells classified elsewhereD70-D72
- •coagulation hemorrhagic disordersD65-D68
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- •hemorrhagic and hematological disorders of newbornP50-P61
Use Additional Code
Additional codes that should follow this code
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(57)
SNOMED CT
- Decreased vitamin B12 level131127007
- Vitamin B12 level below reference range131127007
- Complete blood count abnormal165408006
- FBC (full blood count) abnormal165408006
- Full blood count abnormal165408006
- Full blood count outside reference range165408006
- Blood chemistry abnormal166318006
- Blood chemistry outside reference range166318006
- Serum chloride level abnormal166696002
- Serum chloride level outside reference range166696002
- Finding of vitamin B12 level365604004
- Vitamin B12 level365604004
- Finding of serum electrolyte levels365765009
- Serum electrolyte levels365765009
- Serum electrolyte levels - finding365765009
- Blood substance level below reference range860749004
- Blood substance level low860749004
- Blood substance level above reference range1217346007
- Abnormal blood test151271000119102
- Blood test measurement abnormal151271000119102
- Abnormal haematology test result34641000087106
- Abnormal hematology test result34641000087106
- Haematology test abnormal34641000087106
- Haematology test outside reference range34641000087106
- Hematology test abnormal34641000087106
- Hematology test outside reference range34641000087106
UMLS
Clinical Terms
- Full blood count abnormal
- Hematology test outside reference range
- Blood test measurement abnormal
- Serum electrolyte levels - finding
- Blood substance level low
- Full blood count outside reference range
- Abnormal blood test
- Blood chemistry outside reference range (finding)
- FBC (full blood count) abnormal
- Serum electrolyte levels
- Blood chemistry abnormal
- Abnormal hematology test result
- Finding of serum electrolyte levels
- Blood chemistry outside reference range
- Haematology test abnormal
- Hematology test abnormal
- Vitamin B12 level below reference range
- Finding of vitamin B12 level
- Complete blood count abnormal
- Blood substance level below reference range
- Vitamin B12 level
- Abnormal haematology test result
- Serum chloride level abnormal
- Serum chloride level outside reference range
- Decreased vitamin B12 level
- Blood substance level above reference range
- Haematology test outside reference range
Frequently Asked Questions
What is the ICD-10 code for abnormal finding of blood chemistry, unspecified?
The ICD-10-CM code for abnormal finding of blood chemistry, unspecified is R79.9. The full clinical description is "Abnormal finding of blood chemistry, unspecified". R79.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R79.9 mean?
ICD-10-CM code R79.9 represents “Abnormal finding of blood chemistry, unspecified”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R79.9 a billable code?
Yes, R79.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R79.9 in?
R79.9 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R79.9?
R79.9 has Excludes1 notes indicating codes that cannot be used together with it, including: asymptomatic hyperuricemia (E79.0); hyperglycemia NOS (R73.9); hypoglycemia NOS (E16.2); and 4 more.
Are additional codes required with R79.9?
Yes, when using R79.9, also report: any retained foreign body, if applicable (Z18.-).
What SNOMED CT codes does R79.9 map to?
R79.9 maps to 10 SNOMED CT concepts: 151271000119102, 34641000087106, 166318006, 1217346007, 860749004, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R79.9?
R79.9 is linked to 1 UMLS Concept Unique Identifier: C0438258. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R79.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like abnormal finding of blood chemistry, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R79.9?
R79.9 maps to the ICD-11 code: MA18.Z (Abnormal findings of blood chemistry, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.