Screening investigations
A baseline set of laboratory investigations should be sent including:
- biochemistry
- Urea and electrolytes
- haematology
- FBC
- urinalysis (+/- microscopy)
- microbiology
- urine culture (if infection is suspected)
- blood culture (if infection is suspected)
More specific renal investigations are dependent upon the clinical presentation and may include:
- renal immunology
- immunology screen which consists of C3, C4, ANA, ENA, Ds DNA, P and C ANCA, anti-GBM, rheumatoid factor and immunoglobulins
- urine analysis for Bence Jones protein
- urinary biochemistry
- electrolytes
- osmolality
- ECG
- chest x-ray
- abdominal x-ray
- renal tract ultrasound (within 24hrs if obstruction suspected or esoteric cause suspected requiring a kidney biopsy)
- kidney biopsy
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