Guidelines › Pre-existing hypertension in pregnancy (O10)
Pre-existing hypertension in pregnancy (O10)
Official text from the FY2027 ICD-10-CM Official Guidelines for Coding and Reporting. The wording is quoted exactly.
Guidelines I.C.15.d
“it is necessary to add a secondary code from the appropriate hypertension category to specify the type of heart failure or chronic kidney disease.”
Where this applies
The Guidelines are the authority for assigning codes, and following them is required under HIPAA. This page quotes them for convenience and is not a substitute for the official document. See the Terms and Disclaimer.