<prompt> In hyponatremia following renal failure sodium level should be maintained at -I20meqml125 meqml130 meqml135 meqml  <response>: Hyponatremia in CKD population is associated with increased moality, but the effect on renal outcome was unknown. ... Hyponatremia serum sodium 135 mEqL was associated with excessive volume and volume depletion, measured as total body water by bioimpedance analysis, in diuretic users, but not in diuretic non-users. Ref Harrison20th edition pg 234 