Urology Book

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Urine Protein to Creatinine Ratio

Aka: Urine Protein to Creatinine Ratio, Urine Albumin to Creatinine Ratio
  1. Indication
    1. Monitor persistant Proteinuria
  2. Efficacy
    1. More accurate than 24 Hour Urine Protein collection
    2. Most accurate if first morning void is used
  3. Technique: Random urine collection
    1. Urine Creatinine in mg
    2. Urine Protein in mg
    3. Calculate Urine Protein mg to Urine Creatinine mg Ratio
  4. Interpretation: Urine Protein to Urine Creatinine Ratio
    1. Child under age 2 years
      1. Normal Ratio <0.5
    2. Adults and children over age 2 years
      1. Normal ratio <0.2 grams protein per gram Creatinine
      2. Nephrotic Ratio >3.5 grams protein per gram Creatinine
    3. Estimation of total protein
      1. Total protein (g/m2/day) = Upr/Cr * 0.63
      2. Abitbol (1990) J Pediatr 116(2): 243-7 [PubMed]
  5. Interpretation: Urine Albumin to Creatinine Ratio
    1. Normal Ratio (in general <30 mg/g is normal)
      1. Men: < 0.017 (or 17 mg albumin to 1 gram Creatinine)
      2. Women: <0.025 (or 25 mg albumin to 1 gram Creatinine)
    2. Microalbuminuria: 30-300 mg albumin/g Creatinine
    3. Macroalbuminuria: >300 mg albumin/g Creatinine
  6. References
    1. Ruggenenti (1998) BMJ 316:504-9 [PubMed]
    2. (2002) Am J Kidney Dis 39:S1 [PubMed]

Urine albumin/creatinine ratio measurement (C0455271)

Concepts Laboratory Procedure (T059)
SnomedCT 144765005, 167540008, 271075006
Italian Rapporto albumina/creatinina nelle urine
Japanese 尿中アルブミン/クレアチニン比, ニョウチュウアルブミンクレアチニンヒ
Czech Poměr albumin/kreatinin v moči
English Urine albumin/creatinine ratio measurement, albumin urine creatinine ratio, urine albumin creatinine ratio, urine albumin/creatinine ratio measurement, Urine albumin:creatinine ratio (& level) (procedure), Urine albumin:creatinine ratio (& level), Urine albumin:creatinine ratio, urine albumin / creatinine ratio (lab test), urine albumin / creatinine ratio, Urine albumin/creatinine ratio, Urine albumin/creatinine ratio measurement (procedure)
Hungarian Vizelet albumin / kreatinin arány
Spanish determinación de índice urinario albúmina/creatinina, medición urinaria del índice albúmina/creatinina (procedimiento), medición urinaria del índice albúmina/creatinina, Proporción albúmina-creatinina en orina
Portuguese Razão de albumina/creatinina na urina
Dutch urine albumine/creatinine ratio
French Rapport albumine/créatinine de l'urine
German Albumin/Creatinin Quotient im Urin
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Urine protein/creatinine ratio measurement (C1096054)

Concepts Laboratory Procedure (T059)
SnomedCT 167144005, 144383004, 313500004
Italian Rapporto proteine/creatinina nelle urine
Japanese 尿中蛋白/クレアチニン比, ニョウチュウタンパククレアチニンヒ
English Urine protein/creatinine ratio measurement, urine protein : creatinine ratio, urine protein/creatinine ratio measurement (lab test), urine protein/creatinine ratio measurement, urine protein creatinine ratio, creatinine protein ratio urine, Urine protein/creatinine ratio (procedure), Urine protein/creatinine ratio, Urine protein/creatinine ratio measurement (procedure)
Czech Poměr bílkovina/kreatinin v moči
Hungarian Vizelet fehérje/kreatinin arány
Portuguese Razão de proteína/creatinina na urina
Spanish Proporción proteína-creatinina en orina, medición urinaria del índice proteínas/creatinina (procedimiento), medición urinaria del índice proteínas/creatinina, índice urinario proteínas/creatinina
Dutch urine proteïne/creatinine ratio
French Rapport protéine/créatinine de l'urine
German Protein/Creatinin Quotient im Urin
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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