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1. Presence of urinary protein in amounts greater than 0.3 g in a 24-hour urine collection or in concentrations greater than 1 g/L (1+ to 2+ by standard turbidometric methods) in a random urine collection on two or more occasions at least 6 hours apart; specimens must be clean, voided midstream, or obtained by catheterization. 2. SYN: albuminuria. [protein + G. ouron, urine]
- Bence Jones p. presence of Bence Jones proteins in the urine, usually indicative of a neoplastic process such as multiple myeloma, amyloidosis, or Waldenström macroglobulinemia.
- gestational p. the presence of p. during or under the influence of pregnancy in the absence of hypertension, edema, renal infection, or known intrinsic renovascular disease.
- isolated p. p. in a patient who is asymptomatic, has normal renal function and urinary sediment, and has no manifestation of systemic disease upon initial examination.
- nonisolated p. p. associated with other abnormalities.
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pro·tein·uria .prōt-ən-'(y)u̇r-ē-ə, .prō-.tēn-, .prōt-ē-ən- n the presence of excess protein in the urine
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n.
the presence of protein in the urine. This may indicate the presence of damage to, or disease of, the kidneys. See also albuminuria.
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pro·tein·uria (pro″te-nuґre-ə) excessive serum proteins in the urine, such as in renal disease, after strenuous exercise, and with dehydration. Called also albuminuria. proteinuric adjMedical dictionary. 2011.