Test Details

• Discipline:

  Biochemistry

  Biochemistry

• Minimum Volume Adult:

  Refer to individual test on the website

  Refer to individual test on the website

• Minimum Volume Paediatric:

  Refer to individual test on the website

  Refer to individual test on the website

• Special Requirement:

  Samples should be collected at least 6 weeks after surgery or lithotripsy to avoid contamination of the urine.

  Samples should be collected at least 6 weeks after surgery or lithotripsy to avoid contamination of the urine.

• Other Info:

  - Baseline biochemistry for first-stone investigation

  ...

  Sample	Tests	Specimen container
  Blood	Urea and creatinine Calcium and albumin Sodium and potassium Bicarbonate Uric acid CRP

  - Baseline biochemistry for first-stone investigation

  Sample	Tests	Specimen container
  Blood	Urea and creatinine Calcium and albumin Sodium and potassium Bicarbonate Uric acid CRP	SST (gold top) serum sample
  Urine (random sample)	Dipstick for: - Red and white cells - Nitrite - pH	Universal container – performed on the ward
  	Calcium/creatinine ratio Cystine/creatinine ratio	Universal container
  	Urine microscopy and culture	Universal container

   

  - Screen for recurrent stones formers

  Sample	Tests	Specimen container
  Blood	Urea and creatinine Sodium and potassium Calcium and albumin Uric acid Phosphate Bicarbonate   PTH (if hypercalcaemia is present) Vitamin D (if hypercalcaemia is present)	SST (gold top) serum sample       EDTA (purple top) plasma SST (gold top) serum sample
  Urine   Adult: 24 hours collection Children: random sample	Volume Calcium Oxalate Citrate Cystine Creatinine Sodium	Plain container
  Urine (random sample)	Dipstick for: - pH	Universal container – performed on the ward
  	Microbiology	Universal container

  Read More

• Routine Contact Name:

  Duty Biochemist

• Routine Telephone:

  Freeman: 0191 244 8889
  RVI: 0191 282 9719

  Freeman: 0191 244 8889
  RVI: 0191 282 9719

• Routine Email:

  nuth.dutybiochemist@nhs.net