ARUP's Laboratory Test Directory

0080260: Porphobilinogen (PBG), Urine

Test Mnemonic: PBGQT
Methodology: Ion Exchange Chromatography/Spectrophotometry

Performed: Sun, Mon, Wed-Sat

Reported: 1-4 days

Specimen Required:  
Collect: 24-hour or random urine. Refrigerate 24-hour specimens during collection.

Transport: 10 mL aliquot from a well-mixed 24-hour collection, frozen  (Min: 5 mL)  Submit specimen in two ARUP Amber Transport Tubes.

Pediatric Collection/Transport: 3.5 mL aliquot from a well-mixed 24-hour collection, frozen.

Remarks: The most important aspect of specimen preservation is refrigeration during collection, storage, and transport.  Record total volume and collection time interval on transport tube and test request form.  Protect from light during collection, storage, and shipment.

Stability: Ambient: Unacceptable; Refrigerated: 4 days; Frozen: 1 month

Reference Interval:
 
Test Number Components Reference Interval
 Porphobilinogen, Urine0.0-8.8 µmol/L
 Porphobilinogen, Urine (24-hour) 0.0-11.0 µmol/d
 Creatinine (24-hour)  
 
Male Female
3-8 years: 140-700 mg/d
9-12 years: 300-1300 mg/d
13-17 years: 500-2300 mg/d
18-50 years: 1000-2500 mg/d
51-80 years: 800-2100 mg/d
81 years and older: 600-2000 mg/d 		3-8 years: 140-700 mg/d
9-12 years: 300-1300 mg/d
13-17 years: 400-1600 mg/d
18-50 years: 700-1600 mg/d
51-80 years: 500-1400 mg/d
81 years and older: 400-1300 mg/d

Note:
Appropriate test to rule out acute intermittent porphyria (AIP) and other acute attack types of porphyrias associated with neurologic and/or psychiatric symptoms.

CPT Code(s):
84110

 

 

 
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