ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
chapter 18 R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified /
R90-R94 Abnormal findings on diagnostic imaging and in function studies, without diagnosis /
R94 Abnormal results of function studies
Billable ICD-10-CM Code R94.111
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R94.111
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Abnormal electroretinogram [ERG]
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| Abnormal retinal function study |