Lab Test

Porphobilinogen, 24 Hour Urine Quantitative

Instructions

Specimen Collection Criteria

Collect (preferred specimen): 24 hour urine sample with no preservative.
Also acceptable: Random urine specimen in a screw-capped container (preferred) or other sterile collection cup. (Min: 2.0 mL)

  • Keep 24 hour urine specimen iced or refrigerated during collection.
  • Include start and end dates and times for the collection period on the specimen container.
  • All specimens must be protected from light.
Urine Preservative Options
No Preservative
6N Hydrochloric Acid
Boric Acid (10g)
Sodium Carbonate
50% Acetic Acid
REQUIRED
Unacceptable
Unacceptable
Unacceptable
Unacceptable

Physician Office/Drawsite Specimen Preparation

Protect specimen from light. Maintain specimens refrigerated (2-8°C or 36-46°F) prior to transport.

Preparation for Courier Transport

Transport: Entire 24 hour urine collection, or random urine, refrigerated (2-8°C or 36-46°F).

Rejection Criteria

  • Specimens not collected and processed as indicated. 

Performed

Monday - Friday.
Results available in 2-5 days.

Reference Range

By report.

Test Methodology

Quantitative Ion Exchange Chromatography/Spectrophotometry.

Interpretation

By report.

Clinical Utility

This test is used to rule out acute intermittent porphyria (AIP) and other acute attack types of porphyrias associated with neurologic and/or psychiatric symptoms.

CPT Code

84110.

Last Updated

7/11/2019

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UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.

 

This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.