Urine pH

Turnaround Time

1 working day

Patient Preparation

A fresh, early morning sample is preferred.

Notes

The measurement of urine pH can be helpful in the assessment of patients with renal tubular acidosis (RTA) and in stone formers. The finding of a urine pH >5.5 in the presence of systemic acidosis supports the diagnosis of RTA.

Reference Range

No reference range is reported for urine pH. Although urine pH normally ranges between 6.5 to 8.5 in healthy individuals, it varies with food consumption. Urine with a pH >6.0 is suggestive of alkali contamination or the presence of urea splitting bacteria. In a patient with metabolic acidosis, a urine pH >5.5 suggests a failure of urinary acidification which may indicate renal tubular acidosis.

Specifications

EQA Status:
NEQAS

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University Hospitals Birmingham medical laboratories at Queen Elizabeth Hospital, Heartlands Hospital, Good Hope Hospital and Solihull Hospital are UKAS (United Kingdom Accreditation Service) accredited to the ISO 15189:2012 standard. For a list of accredited tests and other information please visit the UKAS website using the following link: https://www.ukas.com/find-an-organisation/

Molecular Pathology is a UKAS accredited medical laboratory No. 8759
Biochemistry is a UKAS accredited medical laboratory No. 8910
Haematology and Transfusion is a UKAS accredited medical laboratory No. 8784
Clinical Microbiology is a UKAS accredited medical laboratory No. 8760
Cellular Pathology is a UKAS accredited medical laboratory No. 10141
Musculoskeletal laboratory is a UKAS accredited medical laboratory No. 9897
Heartlands, Good Hope and Solihull Hospital pathology laboratories are a UKAS accredited medical laboratory No.8217.

Tests not appearing on the UKAS Schedule of Accreditation 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 test information, please visit the test database: http://qehbpathology.uk/test-database

For further information contact Louise Fallon, Quality Manager, 0121 371 5962

Preferred Sample Type

Suitable Specimen Types