Pyrroles, Urine

Test Code

437X

CPT Codes
84311<br><strong>This code is not available for California, Florida, Maryland, New York, Pennsylvania, or Rhode Island patient testing.</strong>

Preferred Specimen

8 mL frozen random urine - See Collection Instructions

Patient Preparation

If this is an initial test for Pyrroles,discontinue taking any B6 or Zinc one week prior to collection.If retesting, take supplements as usual. Female patients: DO NOT collect specimen during menstrual cycle.

Minimum Volume

2 mL

Instructions

Collect urine in a clean container. Using an amber, plastic tube containing 500 mg of ascorbic acid (vitamin C), fill with urine, no less than 1/2 full and no more than 3/4 full. Mix and freeze. Ship frozen with a cold pack by overnight delivery. Do not thaw.

Transport Temperature

Frozen

Specimen Stability

Room temperature: Frozen only
Refrigerated: Frozen only
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Ascorbic acid not used to maintain specimen stability • Samples not protected from light

Methodology
Spectrographic

Setup Schedule

Average TAT is 1 week; Set up is batched

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.