PORPHYRINS, QUANTITATIVE, URINE

PORPHYRINS, QUANTITATIVE, URINE
Marquette General Health System

General Info

HLAB/HOL Code		PORU
MGH LIS Test No		688
Schedule		Monday through Saturday
Testing Time		Same day/2 hours
Testing Lab		Mayo Labs
QORR Test Code		PORU

Specimen Info

Type
Volume
Temperature		Refrigerate
Preservative
Collection Info		20-50 mL from a 24-hour urine collection. Add 5 g of sodium carbonate as preservative at start of collection. Protect specimen from light. NOTE: 1. The patient should be off medications, if possible, for at least 1 week. 2. 24-HOUR VOLUME IS REQUIRED ON REQUEST FORM FOR PROCESSING.

Specimen Acceptability

Methods
High-Pressure Liquid Chromatography (HPLC) with Fluorometric Detection Includes coproporphyrins, uroporphyrins, and intermediate porphyrins (heptacarboxyl, hexacarboxyl, pentacarboxyl, and tricarboxyl [when detected]). Includes colorimetric determination of porphobilinogen.
Clinical Utilities
CPT Codes
84120

The CPT codes provided are based on AMA guidelines
and are for informational purposes only. CPT coding is the
sole responsibility of the billing party. Please direct any questions
regarding coding to the payer being billed.
Reference Range
UROPORPHYRINS (octacarboxyl)
  Males:  3 - 25 ug/24 hours
  Females:  3 - 25 ug/24 hours
HEPTACARBOXYLPORPHYRINS
  Males:  0 - 7 ug/24 hours
  Females: 0 - 7 ug/24 hours
HEXACARBOXYLPORPHYRINS
  Males:  0 - 6 ug/24 hours
  Females:  0 - 6 ug/24 hours
PENTACARBOXYLPORPHYRINS
  Males:  0 - 7 ug/24 hours
  Females:  0 - 7 ug/24 hours
COPROPORPHYRINS (tetracarboxyl)
  Males:  25 - 150 ug/24 hours
  Females:  8 - 110 ug/24 hours
PORPHOBILINOGEN
  Males:  0.0 - 0.5 mg/24 hours
  Females: 0.0 - 0.5 mg/24 hours
See "Porphyrinogens, Porphyrins, and Porphyrias."
Component Information
Collection Notes
Additional Comments

Questions or Comments email support@mgh.org

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