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Porphobilinogen Deaminase (Uroporphyrinogen 1 Synthetase, HMB, Hydroxymethylbilane Synthase, PBG Deaminase)

Test Code: PORPD

Test Code

PORPD

Test Name

Porphobilinogen Deaminase (Uroporphyrinogen 1 Synthetase, HMB, Hydroxymethylbilane Synthase, PBG Deaminase)

Specimen Type

Container Type = 1 Green Top (Li Hep) Minimum Testing Volume = 6 mL Whole Blood Tube must fill to at least ½ or greater of its vacuum capacity Lavender top is also required for hematocrit result.

Container

1 Green Top (Li Hep)

Handling

Collection Instructions: Collect sample in green top tube (Li Hep) and Lavender top for hematocrit. Write your initials, date and time of collection on the collection label. Laboratory Staff Instructions: Specimen must be labelled properly. Send whole blood, do not spin sample. Store and send cold. Provide hematocrit for calculation of result Rejection Criteria: Gel-separator tubes, Unlabeled or Not Sufficient Quantity samples will be rejected. Stability: Acceptable: Heparinized whole blood (green top), maintained at 4C for no more than 2 weeks. EDTA (mauve tube) may be accepted. Must provide a hematocrit. Frozen samples may be accepted if hematocrit is provided. Unacceptable: i) Other anticoagulants; ii) All samples without a hematocrit will be reported as Not Performed. Transportation: Send sample to core lab as soon as possible.

Stability

Acceptable: Heparinized whole blood (green top), maintained at 4C for no more than 2 weeks. EDTA (mauve tube) may be accepted. Must provide a hematocrit. Frozen samples may be accepted if hematocrit is provided. Unacceptable: i) Other anticoagulants; ii) All samples without a hematocrit will be reported as Not Performed.

Reference Range

29 – 49 µmol/L Erc/h This reference interval has not been validated for persons < 18y.

Performing Lab

Referred Out – ON, Canada (ROICL02)

Turnaround Time

24 Hrs

Test Notes

Last Updated: Feb 08, 2022  

Status

active

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