Porphobilinogen Quantitative Urine, Random
Order Name
PBG QT UR R
Test Number: 3812501
Revision Date 12/09/2022
Test Number: 3812501
Revision Date 12/09/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Porphobilinogen Quantitative Urine, Random
|
Chromatography/spectrophotometry |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 3 mL (1 mL) | Urine, Random | Sterile Screwtop Container | Frozen |
| Instructions | Notes: 1 mL (Note: This volume Does NOT allow for repeat testing.) Specimen Type: Plastic urine container with 0.5 mL of 30% glacial acetic acid (optional preservative, but required if ordered with delta ALA) AND AMBER plastic frozen transport tube and cap (Labcorp No. 78656). Specimen Storage: FREEZE immediately and PROTECT FROM LIGHT. Urine is stable when preserved with 30% glacial acetic acid and FROZEN for one month or refrigerated for 24 hours. Specimen Collection: On collection of random urine, it is advisable NOT to use first voided morning specimen, late evening specimen after 8 PM, or specimen obtained following excessive fluid intake. Transfer the urine into a Labcorp AMBER plastic frozen transport tube with amber cap (Labcorp No. 78656). If ordered with delta ALA, pH must be <6. Label the container with the patient's name and date. The specimen should be FROZEN immediately and maintained frozen until tested. (If amber tube and cap are not available, cover a clear plastic transport tube COMPLETELY from top to bottom with aluminum foil. Identify the specimen with the patient's name directly on the transport tube AND the outside of the aluminum foil. Secure with tape.) To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED. Special Instructions: For 24-hour urine testing, order 003103. Specimen Stability: Ambient: Not Available, Refrigerated : 24 hours (stability provided by manufacturer or li, Frozen: 1 month (stability provided by manufacturer or lit |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 3 - 6 days |
| Notes | Labcorp Test Code: 003065 |
| CPT Code(s) | 82570, 84110 |
| Service Provided By |  |
| Lab Section | Reference Lab |