Porphobilinogen Quantitative, Random urine
General Information
- Lab Name
- Porphobilinogen, Urine
- Lab Code
- UPBGR
- Epic Name
- PORPHOBILINOGEN QNT, RAND URN
- Description
- STAT requests require approval from Lab Med Resident. Increased urinary porphobilinogen concentration in the presence of acute clinical symptoms is consistent with a biochemical diagnosis of acute porphyria, variegate porphyria, or hereditary coproporphyria. Normal concentrations may be seen in porphyria patients who are asymptomatic at the time of collection. Porphyria Foundation Website
- Synonyms
- porphyria, spot urine
- Components
Interpretation
- Method
- Modified Mauzerall-Granick method
- Reference Range
-
Units: mg/L
Female Male Age Range Age Range 0- 0.0-2.3 0- 0.0-2.3 Effective date: 08/01/2011
- Ref. Range Notes
- The literature reference for this reference range is: Deacon AC, Elder GH. Front line tests for the investigation of suspected porphyria. J Clin Pathol 2001; 54:500-507.
Ordering & Collection
- Specimen Type
- Urine
- Collection
-
RANDOM URINE: STAT specimens do not need preservative if delivered immediately to the laboratory. Protect specimen from light.
RANDOM URINE: To ROUTINE specimens add approximately 5 g sodium bicarbonate for 30 mL or more urine (1 well rounded tsp). Add less sodium bicarbonate for volumes less than 30 mL. Protect specimen from light.
For 24-hour urine, see Porphobilinogen Quantitative, 24-h urine (UPBG)
- Quantity
-
Requested: 50 mL urine
Minimum: 10 mL urine
Processing
- Receiving Instructions
- Mix well. Refrigerate in a dark bottle.
- Misc Sendout
Performance
- Lab Department
- Chemistry, Harborview(CHH)
- Frequency
- Monday to Friday, samples received in Special Chemistry by 11AM. Weekends and holidays, approved STAT only.
- Available STAT?
- with approval
- Performing Location(s)
-
HMC Chemistry, Special
206-520-4600325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
Billing & Coding
- LOINC
- 27382-1
- Interfaced Order Code
- UOW2383
- Interfaced Result Code
- UOW2383