- 91342
Porphyrins, Urine Fractionated
Specimen:
Collect
- Timed Urine in Timed Urine Container
Also Acceptable:
- Random Urine in Sterile Specimen Container
Submit
- 4 mL (Min:2 mL) Aliquot(s) Timed Urine . Submit Frozen.
Also Acceptable:
- 4 mL (Min:2 mL) Random Urine . Submit Frozen.
Special Handling
- 24 HR Urine Collection Preferred
- Keep Specimen Refrigerated During Collection
- Protect from Light
- State Collection Time
- State Volume
- Transport in amber transport tubes
- Evaluation of neurologic and/or psychiatric symptoms associated with acute porphyrias such as acute intermittent porphyria (AIP) requires urine porphobilinogen (PBG) testing. (IP Test #91182)
Stability
Ambient: Unacceptable; Refrigerated: 4 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology
- High performance liquid chromatography (HPLC)
Performed
Sunday, Mon-Fri
Reported
2-5 Day(s)
CPT Codes
- 84120
Interpretive Data
Please see report for interpretive data.
Components
- 93454 - UROPORPHYRIN
- 93455 - HEPTACARBOXYLATE
- 93624 - COPROPOR I
- 93626 - COPROPOR III
- 93008 - CREAT, UR
- 93009 - CREATININE
- 93518 - HOURS COLLECTED
- 93388 - URINE VOLUME
- 93457 - INTERPRETATION
Last Updated: October 10, 2024 @ 9:13 am
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