40
Classification of blood pressure
for adults
Category
systolic,
mmHg
diastolic,
mmHg
Hypotension
< 90
< 60
Normal
90 –
120
and 60 –
80
Prehypertension 121 –
139
or 81 –
89
Stage 1
Hypertension
140 –
159
or 90 –
99
Stage 2
Hypertension
≥
160
or
≥
100