Icd 10 cm code for essential primary hypertension July 8, 2019 16 32 64 128 Which icd 10 cm code is used for essential primary hypertension 1 which icd 10 cm code is used for essential primary hypertension Essential (primary) hypertension icd 10 Icd 10 for essential hypertension unspecified Icd 10 code for essential hypertension benign