Porphobilinogen, Urine Quant
Test Mnemonic
UPBGQT
CPT Codes
- 84110 - QTY (1)
Aliases
- PBG, Urine
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 8 mL | Urine, 24-hour (well-mixed) | Clean container | Refrigerate during collection. | Frozen | Protect specimen from light. |
| 8 mL | Urine, random | Clean container | Frozen | Protect specimen from light. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | Unacceptable |
| Refrigerated | 4 days |
| Frozen | 1 month |
Days Performed
Mon - Fri
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Ion Exchange Chromatography/Spectrometry (IECS) |
Reference Range
| Porphobilinogen | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 24 hr collection: 0.0 - 11.0 | umol/d | Normal | Random collection: 0.0 - 8.8 | umol/L |
Special Info
Indicate total volume and time of collection on requisition. Body fluids other than urine are unacceptable.
Clinical Info
Appropriate test to rule out acute intermittent porphyria (AIP) and other acute attack types of porphyrias associated with neurologic and/or psychiatric symptoms.