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Actinic keratoses (AK) are among the most common dermatologic diagnoses,1, 2 reported to cost nearly $1 billion yearly in the United States (US).3 Recent AK research has relied on diagnosis… Click to show full abstract
Actinic keratoses (AK) are among the most common dermatologic diagnoses,1, 2 reported to cost nearly $1 billion yearly in the United States (US).3 Recent AK research has relied on diagnosis and procedure codes to identify AKs in claims and electronic health record (EHR) data.3, 4 However, there has been no investigation of whether these codes accurately identify AKs. Validation of these codes is essential to ensure that using them for research is appropriate and to allow researchers to use single codes (if reliable), rather than more conservative algorithms, simply because a validation has not yet been done.
Journal Title: British Journal of Dermatology
Year Published: 2019
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