Addis test

Addis test (method)

 [ad´is]

after the patient is given a dry diet for 24 hours, the specific gravity of the urine is determined.

Ad·dis count

(ad'is),

a quantitative enumeration of the red blood cell count, white blood cell count, and casts in a 12-hour urine specimen; used to follow the progress of known renal disease.

Addis count

An obsolete method for evaluating progression of renal disease based on analysis of the amount and type of cells (e.g., erythrocytes, leukocytes renal tubular cells), formed elements (e.g., casts, debris) and protein in a 12- or 24-hour urine specimen.