Preferred Sample Type

Renal Calculi (Stones)

Suitable Specimen Types

  • Special Collection Procedures Apply
Send complete stone in suitable container

Specimen Transport

First Class post

Sample Processing in Laboratory


Sample Preparation


Turnaround Time

10 working days

Sample Stability

4 ºC or room temperature

Renal Calculi (Stones)

General Information

Renal calculi and stones from other sources (e.g. gallstones, salivary stones) are analysed by quantitative Fourier transform infra red (FTIR) spectroscopy. Results are reported as weight of stone, description, % composition.

Patient Preparation



From 25 June 2016, specimens sent to City Hospital, Birmingham for analysis.

Reference Range

Provided by reference laboratory


  • EQA Status: No details

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HTA licence number is 12366

Protection of Personal Information – Laboratory Medicine comply with the Trust Data Protection Policy and have procedures in place to allow the Directorate and it’s employees to comply with the Data Protection Act 1998 and associated best practice and guidance.

The Trust Laboratories at Heartlands Hospital, Good Hope Hospital and Solihull Hospital were awarded UKAS (United Kingdom Accreditation Service) accreditation to the internationally recognised ISO 15189 standard in May 2015. For a list of accredited tests and other information please visit the test database
Tests not appearing on this scope are either under consideration or in the process of accreditation and so currently remain outside of our scope of accreditation. However, these tests have been validated to the same high standard as accredited tests and are performed by the same trained and competent staff.

For further information contact Louise Fallon, Quality Manager, 0121 424 1235

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