Urine COAL for diagnosis and monitoring of cystinuria

Description:

Cystine, ornithine, arginine and lysine analysis by LC-MS/MS for the diagnosis and monitoring of cystinuria.

Clinical details:

For the diagnosis and monitoring of patients with cystinuria. Renal stone screen.

Reference range:

Quantitative report with qualitative comment.

Cystine <11 µmol/mmol creatinine

Ornithine <12 µmol/mmol creatinine

Arginine <13 µmol/mmol creatinine

Lysine <40 µmol/mmol creatinine

Department:

Location:

Sample type and Volume required:

Random urine (plain universal). Minimum sample volume 0.5 mL urine

Turnaround time:

2 weeks

Contacts:

Inherited Metabolic Diseases Unit at Blackfriars Hub

07592 502653

Reference Chemistry, 1st Floor Blackfriars Hub
Friars Bridge Court
Blackfriars Road
London
SE1 8NZ

For clinical advice or interpretation of results, please contact the laboratory in the first instance.

Laboratory:

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Last updated: 08/10/2025

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