Postpartum Migraine Headache Coding in Electronic Health Records of a Large Integrated Health Care System: Validation Study.
Jiaxiao M ShiMichael J FassettVicki Y ChiuChantal C AvilaNehaa KhadkaBrittany BrownPooja PatelNana A MensahFagen XieMorgan R PeltierDarios GetahunPublished in: JMIR formative research (2022)
Neither diagnostic codes nor pharmacy records alone are sufficient for identifying postpartum migraine cases reliably, but when used together, they are quite reliable. The completeness of the data remained similar after the implementation of the ICD-10-CM coding in the EHR system.