HomeClinical Pathology the normal value of (Na) in serum is.. 135-145 mmol/l publisher :NIL NAM -June 07, 2017 the normal value of (Na) in serum is? * 135-145 mg/dl * 135-145 mmol/dl * 135-145 mmol/l*** Labels Clinical Pathology Facebook Twitter Share:the normal value of (Na) in serum is.. 135-145 mmol/l Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email