Test Details
Mnemonic
UPORR
Ordering Code
3400997
CPT-4 Code(s)
84120
Specimen Information
Collect
Random urine, protect from light
Specimen Preparation
Send 2.0 mL urine in an amber screw capped plastic vial. PROTECT FROM LIGHT.
Alternate Specimen
Urine collected in a 5 g sodium carbonate container, Catheterized urine, first void clean catch urine
Minimum Volume
1.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Received room temperature, Not protected from light, pH <4.0
Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Methodology
High Performance Liquid Chromatography (HPLC)
Reference Range
Uroporphyrin I 3.6-21.1 mcg/g creat
Uroporphyrin III ≤5.6 mcg/g creat
Heptacarboxyporphyrin ≤3.4 mcg/g creat
Hexacarboxyporphyrin ≤6.3 mcg/g creat
Pentacarboxyporphyrin ≤4.1 mcg/g creat
Coproporphyrin I 6.5-33.2 mcg/g creat
Coproporphyrin III 4.8-88.6 mcg/g creat
Total Porphyrins 27.0-153.6 mcg/g creat
Uroporphyrin III ≤5.6 mcg/g creat
Heptacarboxyporphyrin ≤3.4 mcg/g creat
Hexacarboxyporphyrin ≤6.3 mcg/g creat
Pentacarboxyporphyrin ≤4.1 mcg/g creat
Coproporphyrin I 6.5-33.2 mcg/g creat
Coproporphyrin III 4.8-88.6 mcg/g creat
Total Porphyrins 27.0-153.6 mcg/g creat
Performing Laboratory
Quest
New York DOH Approval Status
Yes