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ID:327 Protein Creatinine Ratio (PCR)
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DescriptionThe PCR has been shown to be a viable alternative to the analysis of protein in a 24 hr urine in the assessment of proteinuria in renal patients.
IndicationFor the assessment of proteinuria.
Additional InfoA PCR >75 mg/mmol is indicative of proteinuria of >1g/24hr and has a sensitivity of 89% and specificity of 93%. The use of a spot test is preferable to both patients and staff.
Concurrent Testsna
Dietary Requirementsna
InterpretationA PCR >75 mg/mmol is indicative of proteinuria of >1g/24hr. NB. The correlation between PCR and 24hr protein excretion is subject to diurnal variation and is most close when spot samples for PCR are obtained after first voiding and before midday.

DepartmentBiochemistry
SampleUrine
Tube4mL Greiner Z tube (white top)
Tube Picture
Collection Conditions
Min. Vol1 mL
Freq.

Ref. Range (Male)See note
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesPCR defined as urine protein (mg/L) divided by urine creatinine (mmol/L) and therefore PCR has units mg/mmol.
Units - Not Defined -
IP Acute TATRefer to Website
IP Routine TATRefer to Website
GP Acute TATRefer to Website
GP Routine TATRefer to Website
Turnround CommentNA

Originally edited by : . Review due on 04/01/2018 12:24:45. Published By R.Barski on 04/01/2017 12:24:45.