Printable Test Catalog - OU Medicine

[PORPHRAN] Urine Random Porphobilinogen
SPECIMEN REQUIRED: Frozen urine (random)
TUBE OR CONTAINER: Plastic urine container
SPECIAL HANDLING: No preservative required unless ordered with
Delta ALA, then specimen must be acidified
with 0.5 mL 30% glacial acetic acid;
Protect specimen from light:
SPECIMEN VOLUME: 10 mL
MINIMUM VOLUME: 1 mL
TEST AVAILABILITY: Daily
REFERENCE RANGE: 0.0-2.0 mg/L
METHODOLOGY: Chromatography/spectrophotometry
CLINICAL USE: Detect porphyrias and porphyrinurias
CPT: 84110
[PORPHTM] UR PORPHOBILINOGEN TIMED
SPECIMEN REQUIRED: Frozen urine (24 hour)
TUBE OR CONTAINER: Plastic urine container
SPECIAL HANDLING: Collect in "A" container (30 mL of 33% glacial
acetic acid); refrigerate specimen during
collection; aliquot and FREEZE immediately;
protect specimen from light
SPECIMEN VOLUME: 10 mL
MINIMUM VOLUME: 1 mL
TEST AVAILABILITY: Daily
REFERENCE RANGE: 0.0-1.5 mg/24 hours
METHODOLOGY: Ion-exchange chromatography/spectrophotometry
CLINICAL USE: Initial test for acute intermittent porphyria
CPT: 84110
[PORPHURAN] PORPHYRINS URINE RANDOM
SPECIMEN REQUIRED: Refrigerated random urine
TUBE OR CONTAINER: Plastic urine container
SPECIAL HANDLING: Protect specimen from light
SPECIMEN VOLUME: 2 mL
MINIMUM VOLUME: 1.5 mL
TEST INCLUDES: Coproporphyrins, uroporphyrins, heptacarboxlyporphyrins,
pentacarboxylporphyrins,
hexacarboxylporphyrins
TEST AVAILABILITY: Daily
TURNAROUND TIME: 2-5 days
REFERENCE RANGE: Coproporphyrin I: 0-15 g/L
Coproporphyrin III: 0-49 g/L
Heptacarboxylporphyrins: 0-2 g/L
Hexacarboxylporphyrins: 0-1 g/L
Pentacarboxylporphyrins: 0-2 g/L
Uroporphyrins: 0-20 g/L
OTHER NAMES: Coproporphyrin; Uroporphyrin
METHODOLOGY: High-pressure liquid chromatography (HPLC) with