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 hyperuricemia (E79.0)
- hyperglycemia NOS (R73.9)
- 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
Conditions not included here, but the patient may have both
- abnormal findings on antenatal screening of mother (O28.-)
- certain conditions originating in the perinatal period (P04-P96)
- signs and symptoms classified in the body system chapters
- signs and symptoms of breast (N63, N64.5)
- abnormalities of lipids (E78.-)
- abnormalities of platelets and thrombocytes (D69.-)
- abnormalities of white blood cells classified elsewhere (D70-D72)
- coagulation hemorrhagic disorders (D65-D68)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- hemorrhagic and hematological disorders of newborn (P50-P61)
Use Additional Code
Additional codes that should follow this code
- code to identify any retained foreign body, if applicable (Z18.-)
Also Known As / Clinical Terms
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
Frequently Asked Questions
What is ICD-10 code R79.9?
ICD-10-CM code R79.9 represents "Abnormal finding of blood chemistry, unspecified". It 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 you should also code: code to identify 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.
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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.