ICD-10 diagnosis code

R74 Abnormal serum enzyme levels

R74 is the ICD-10 code for Abnormal serum enzyme levels. 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

Subcodes of R74

R74 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

R74Onormala nivåer av serumenzymer

DenmarkICD-10-DK

DR74Abnorme koncentrationer af serumenzymer

FinlandICD-10-FI

R74Seerumin entsyymien poikkeava aktiivisuus

GermanyICD-10-GM

R74Abnorme Serumenzymwerte

FranceICD-10-FR

R74Anomalies des taux d'enzymes sériques

NetherlandsICD-10-NL

R74afwijkende enzymspiegels in serum

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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