In hyponatremia following renal failure, serum sodium should be maintained at what levels ?

Hyponatremia in CKD population is associated with increased moality, but the effect on renal outcome was unknown.. Hyponatremia (serum sodium <120 mEq/L) 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 Davidson 23rd edition pg 366