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Test Code PBGU Porphobilinogen, Quantitative, Random, Urine

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


Shipping Instructions


Ship specimen protected from light.



Necessary Information


Include a list of medications the patient is currently taking.



Specimen Required


Patient Preparation: Patient must not consume any alcohol for at least 24 hours prior to collection.

Supplies: Urine Container-Amber, 60 mL (T596)

Specimen Volume: 20 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative necessary but pH must be above 5.0.

3. Specimens should be protected from light and frozen immediately following collection.


Specimen Minimum Volume

15 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Frozen (preferred) 7 days LIGHT PROTECTED
  Refrigerated  7 days LIGHT PROTECTED

Reference Values

≤1.3 mcmol/L

Day(s) Performed

Monday through Friday

CPT Code Information

84110

Report Available

2 to 4 days

Specimen Retention Time

1 week

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.