Amino acids (urine)

Referred to Berkshire & Surrey Pathology Services, Frimley Park Hospital NHS Foundation Trust, Portsmouth Road, Frimley, Surrey GU16 7UJ

Alternative names, keywords


Samples required

Plain urine transported to lab within 4 hours.

Test indications

From 5.1.15 samples will only be analysed by the referral laboratory if indicated by the clinical details.

Urine amino acid analysis is not recommended as a first line investigation for suspected inherited metabolic disease. Valid indications include:

  • Investigation of primary renal tubular disease including cystinuria, lysinuric protein intolerance, Hartnup disease.
  • Investigation of renal tubular dysfunction secondary to another inherited metabolic disorder (IMD) including mitochondrial disease.
  • Suspected sulphite oxidase deficiency and molybdenum cofactor deficiency.
  • Hypophosphatasia.

Please ensure all requests are accompanied by appropriate clinical details.

Reference range

See interpretative report.

Turnaround time

Referral lab quotes turnaround time of 12 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results.


Biochemistry (Referrals)