R79 is the ICD-10 code for Other abnormal findings of blood chemistry. It is a three-character category divided into 3 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block R70–R79 (Abnormal findings on examination of blood, without diagnosis) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Category (3 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
What R79 excludes
Conditions that look similar but belong under another code.
- abnormality of fluid, electrolyte or acid-base balance E86-E87
- asymptomatic hyperuricaemia E79.0
- hyperglycaemia NOS R73.9
- hypoglycaemia NOS E16.2
- hypoglycaemia NOS
- neonatal P70.3-P70.4
Subcodes of R79
R79 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DR79Andre abnorme kemiske fund i blodprøver
R79Muut veren yhdisteiden poikkeavat löydökset
R79Sonstige abnorme Befunde der Blutchemie
R79Autres résultats anormaux des examens chimiques du sang
R79overige afwijkende-bevindingen bij chemisch onderzoek van bloed
Listed through more specific codes:
- R79.1Abnormal coagulation profile
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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