The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of …

Patient should refrain from taking excessive amounts of ascorbic acid or oxalate-rich foods (i.e., spinach, coffee, tea, chocolate, rhubarb) for at least 48 hours before the collection period.

Oxalic Acid, 24-Hour Urine without Creatinine - Excessive oxalates in the urine may lead to oxalate kidney stones. Hyperoxaluria may be due to a rare inherited metabolic disorder in which the …

Received room temp; Received refrigerated; Gray-top tube (sodium fluoride/potassium oxalate); Polymer gel separation tube. 2 mL Serum or Plasma. 0.7 mL Serum or Plasma. Promptly …

This quantitative test, performed with a 24-hour urine specimen, may help screen for hyperoxaluria, determine the cause of kidney stones, and monitor treatment compliance and …

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of …

Oxalic Acid, Adult, Urine with Creatinine - This quantitative oxalic acid test, performed with a random urine specimen, may help screen for hyperoxaluria, determine the cause of kidney …

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of …

Our Test Directory includes detailed information, guides and references for many of our tests. This includes test and result codes, specimen collection requirements, specimen transport …

The Quest Test Directory is a comprehensive portfolio of over 3,500 tests, from the routine to the esoteric.