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Porphyrins Quantitation, Feces

Test ID: PORPHQ F

Test

Method

HPLC

Report Includes

Coproporphyrin I; Coproporphyrin III; Uroporphyrin III; Heptacarboxylic Acid; Hexacarboxylic Acid; Pentacarboxylic Acid; Protoporphyrin; Interpretation

Specimens

Feces (Random)

Test Location

The Ottawa Hospital General Campus, 501 Smyth Road, Ottawa ON K1H 8L6

Test Version

30-Aug-2021

Specimen

Specimens

Feces (Random)

Sample Volume

50 g

Collection & Handling

Handling Information

Store and submit specimen protected from light.
Store and send frozen.

Additional Information

Quantitative analysis may only be done if a preliminary Porphyrin screen is positive.

Rejection Criteria

Specimen Not protected from light

Test Version

30-Aug-2021

Performance / Interpretation

Method

HPLC

Turnaround Time

8 days

Results

Name Units Reference Range Conversion Factor
Coproporphyrin I nmol/g
  • Adult: ≤13
µg/g x 1.53
Coproporphyrin III nmol/g
  • Adult: ≤12
µg/g x 1.53
Uroporphyrin III nmol/g
  • Adult: ≤1
µg/g x 1.20
Heptacarboxylic Acid - Feces nmol/g
  • ≤1
Hexacarboxylic Acid nmol/g
  • Adult: ≤1
Pentacarboxylic Acid nmol/g
  • Adult: ≤1
Protoporphyrin nmol/g
  • Adult: ≤38
  • Porphyrin reference values are not available for individuals 17 y and younger.

Test Location

The Ottawa Hospital General Campus, 501 Smyth Road, Ottawa ON K1H 8L6

Test Version

30-Aug-2021

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
PORPHQ F 20347Uroporphyrin III Fecal nmol/g
20352Heptacarboxylic Acid Porph Fecal nmol/g
20353Hexacarboxylic Acid Porph Fecal nmol/g
20354Pentacarboxylic Acid Porph Fecal nmol/g
20342Coproporphyrin I Fecal nmol/g
20343Coproporphyrin III Fecal nmol/g
62136Copro III : Copro I Fecal Ratio
20358Protoporphyrin Fecal nmol/g
20359Porphyrin Interpretation Fecal

Test Version

30-Aug-2021