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:
For clinical advice or interpretation of results, please contact the laboratory in the first instance.
Last updated: 30/01/2026
