SAN DIEGO — Omitting 24-hour urine testing from multiple myeloma response assessments does not compromise accurate tracking of patients' responses to treatment, a new analysis indicates. Overall, ...

The cumulative number of clinical risk factors is a more accurate predictor of stone recurrence than 24-hour urine studies. Although a 24-hour urine study is recommended for patients with recurrent ...

(HealthDay News) — Despite guidelines, it has not been established whether all recurrent kidney stone formers benefit from 24-hour urine collection, according to a review published in the April issue ...

Methylmalonic acid (MMA) is a substance that is created when your body digests protein. The amount of vitamin B12 in your body controls how much MMA your body makes. A high amount of MMA typically ...

Creatinine is a natural waste product made by your muscles during regular energy use. Normally, your kidneys filter it out through urine. But when your creatinine levels rise above the healthy range, ...