C5-DC Acylcarnitine, Quantitative
Label Mnemonic: C5DCU
Epic Lab Code: LAB8445
Downtime Form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mail-out Laboratory
5231 RCP
Specimen Instructions:
Include patient's age, family history, clinical condition (asymptomatic or acute episode), diet, and drug therapy information.
Collection Medium:
Yellow top round bottom tube (no additive)
Preferred Minimim: 5 mL urine
Absolute Minimum: 1 mL urine
Delivery Instructions:
Keep on ice and deliver to laboratory immediately.
Turn Around Time:
2 days upon receipt at reference laboratory (not reported on Sunday)
Reference Range:
<1.54 millimoles/mole creatinine
Interpretive Data:
Elevated excretion of C5-DC is a specific biochemical marker of glutaric aciduria type 1 that is elevated in affected patients, apparently even in low excretors or those affected individuals with normal levels of glutaric acid in urine.
Please print, complete and submit the Informed Consent for Genetic Testing from Mayo Medical Laboratories with the specimen and the A-1a Miscellaneous Request or Epic Req.

Useful for:
Evaluation of patients with an abnormal newborn screen showing elevations of C5-DC

Diagnosis of glutaric aciduria type 1 deficiency

The results of urine acylcarnitines are not informative when the patient is receiving L-carnitine supplements.
Flow Injection Analysis-Tandem Mass Spectrometry (FIA-MS/MS)
CPT Code: