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Porphyrins, Quantitative, 24 Hour Urine

Order Code
003194
CPT
84120
Test Details
TAT

11 days

Methodology

High-pressure liquid chromatography (HPLC) with fluorometric detection

Remarks

Test Includes: Coproporphyrins I and III, uroporphyrins, heptacarboxylporphyrins, hexacarboxylporphyrins, pentacarboxylporphyrins

Performing Location

Accredited Laboratory Partner

Testing Frequency

Contact Technical Support

Test Overview

Quantitative urine test for porphyrins over 24 hours. Evaluates porphyria.

Specimen Type

24 hour urine, protected from light

Volume

2 mL aliquot

Specimen Container

12 mL amber plastic transport tube without preservative

Patient Preparation

No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.

Collection

Refrigerated and protected from light

Specimen Stability
Temperature Period
Refrigerated 7 days
Frozen 14 days
Order Code
003194
CPT
84120
Test Details
TAT

11 days

Methodology

High-pressure liquid chromatography (HPLC) with fluorometric detection

Remarks

Test Includes: Coproporphyrins I and III, uroporphyrins, heptacarboxylporphyrins, hexacarboxylporphyrins, pentacarboxylporphyrins

Performing Location

Accredited Laboratory Partner

Testing Frequency

Contact Technical Support

Test Overview

Quantitative urine test for porphyrins over 24 hours. Evaluates porphyria.

Specimen Type

24 hour urine, protected from light

Volume

2 mL aliquot

Specimen Container

12 mL amber plastic transport tube without preservative

Patient Preparation

No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.

Collection

Refrigerated and protected from light

Specimen Stability
Temperature Period
Refrigerated 7 days
Frozen 14 days