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Items starting with U

Urinary Haemosiderin

Urinary Haemosiderin

Reference Range

Haemosiderin either appears as blue staining of isolated or grouped granules. Results are reported as POSITIVE or NEGATIVE

                              

Urea (Serum)

Urea (Serum)

Reference Range

Adult male/female reference range: 2.5 - 7.8 mmol/L (Pathology Harmony)

  • Turnaround Time: 1 day
Urea (Urine)

Urea (Urine)

Reference Range

428- 714 mmol/24h

 

  • Turnaround Time: 1 Day
Urine Electrolytes

Urine Electrolytes

Reference Range

None Given. The results must be interpreted together with serum electrolytes and clinical details.

  • Turnaround Time: < 1 day
Urine Osmolality

Urine Osmolality

Reference Range

None Given

  • Turnaround Time: 1 Day

Urine Protein:Creatinine ratio (Random urine)

Reference Range

  • <15 mg/mmol Creatinine = Normal
  • 15 – 49 mg/mmol Creatinine = Trace Proteinuria. Consider ACEI or ARB in diabetes.
  • 50 – 99 mg/mmol Creatinine = Significant proteinuria. Repeat using early am sample. Consider ACEI or ARB in hypertension.
  • 100 – 300 mg/mmol Creatinine = High proteinuria. If new finding, seek nephrology advice regardless of eGFR.
  • >300 mg/mmol Creatinine = “Nephrotic range” proteinuria. If new finding, seek nephrology advice regardless of eGFR.
                                      
Proteinuria is a risk factor for cardiovascular disease and for decline in GFR in CKD
UK CKD Guidelines suggest if PCR is >100 mg/mmol patient should be referred to Nephrologists irrespective of GFR.
 

Source of Reference Range: NICE guideline CG73 (2008) and UK eCKD guidelines 2009.)

 

  • Turnaround Time: 1 Day
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