Icd 10 code for pulmonary hypertension unspecified July 8, 2019 16 32 64 128 Icd 10 code for pulmonary arterial hypertension unspecified Icd 10 code for secondary pulmonary hypertension unspecified Icd 10 code for severe pulmonary hypertension unspecified Icd 9 code for pulmonary hypertension