Isosthenuria is the excretion of urine having the same specific gravity as plasma.  The inability to excrete urine with a higher or lower specific gravity indicates significantly impaired renal tubular function.

Question 8.  Which of the following conditions does the patient have:
    a.  Isosthenuria.
    b.  Myoglobinuria.
    c.  Diabetic Nephropathy.
    d.  Pyuria.
    e.  Hematuria
    f.   Porphyrinuria.

Back to urinalysis results.