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

Methodology

High Performance Liquid Chromatography (HPLC)
more

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
more

Performing Laboratory

Quest
more

New York DOH Approval Status

Yes
more