91342 Porphyrins, Urine Fractionated

Specimen:

Collect:

Timed Urine

Also Acceptable
Random Urine

Submit:

4 mL (Min:2 mL) Aliquot(s) Timed Urine. Submit Frozen.

Also Acceptable
5 (Min:2 ) Random Urine. Submit Frozen.

Special Handling:

24 HR Urine Collection Preferred
Critical Ambient
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)

Rejection Criteria:

Body fluid
Body fluids other than urine
Specimen not protected from light

Stability:

Ambient: Unacceptable; Refrigerated: 4 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable

Methodology:

Flow Cytometry; High performance liquid chromatography (HPLC)

Performed:

Sun-Sat, Mon-Sat

Reported:

2-5 Day(s)

CPT Codes:

84120

Interpretive Data:

Please see report for interpretive data.

Components:

93454 - UROPORPHYRIN	93455 - HEPTACARBOXYLATE
93624 - COPROPORPHYRIN I	93626 - COPROPORPHYRIN III
93008 - CREAT, UR	93009 - CREAT, UR
93518 - HOURS COLLECTED	93388 - URINE VOLUME
93457 - INTERPRETATION