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Test Code MISC1WARDEUPORA Porphyrins Fractionation and Quantitation 24 hr Urine

Department

Send Outs

Reference Lab Test Number

UPORA

Collection Requirements

PROTECT FROM LIGHT

Alternate Specimen: Random Urine

Refer To

Warde Medical Laboratory

Primary Collection Container

24 HR Urine container

Alternate Collection Container

Sterile Urine Cup – Random Urine

Transport

Urine Frozen

Preferred Transport Temperature

Frozen

Processing

Refrigerate and protect from light during collection. Mix well and send 4.0 mL urine frozen in an amber screw-capped plastic vial. PROTECT FROM LIGHT. Record 24 hour urine volume on test requisition and specimen label.

Stability

Room Temperature: Unacceptable

Refrigerated: 4 days

Frozen: 1 month

Minimum Testing Volume

2.0 mL

Reference Range

Uroporphyrin: 0-4 µmol/mol CRT

Heptacarboxylate Porphyrin: 0-2 µmol/mol CRT

Coproporphyrin I: 0-6 µmol/mol crt

Coproporphyrin III: 0-14 µmol/mol crt

Creatinine:

By report

Methodology

Quantitative High Performance Liquid Chromatography

Performed

Monday-Friday

Reported

6-8 days

CPT Codes

84120