Kryptopyrole Pyrroles, Urine - Special Processing Container Required

Abbrev Code:KPYRRO   
Order Code:LAB6869Order Name:Kryptopyrole Pyrroles, Urine
Synonyms:Kryptopyrrole; Pyrroluria; Mauve Factor
CPT Codes: 84311 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 1 week.
Special Instructions:Samples must be aliquoted into an amber ascorbic acid tube within 15 minutes of collection. Tubes are available at UMMC_East Referral/Sendouts, FSH, FNH, Lakes Medical Center, FRH and FRMC.

Collection Instructions

Specimen:Urine, random collection
Optimal Volume:8 mL
Minimum\Peds Volume:2 mL
Container:Plastic leakproof container, sterile
Patient Preparation:If this is an initial test for Pyrroles, discontinue taking any B6 or zinc one week prior to collection. If retesting, take supplements as usual.
Femal patients: DO NOT collect specimen during menstrual cycle.
Causes for Rejection:Ascorbic acid not used to maintain specimen stability. Room temperature or refrigerated specimens. Specimens not protected from light.

Processing and Shipping

Specimen Processing:Aliquot urine into an amber ascorbic acid plastic tube within 15 minutes of collection. Do not transfer ascorbic acid to collection container. Fill with urine, no less than 1/2 full and no more than 3/4 full (approximately 2-8 mL). Mix and freeze immediately. Store frozen. Do not thaw. Protect from light.
Shipping Instructions:Ship overnight on dry ice.
Stability:30 days frozen. Room temperature or refrigerated samples are unacceptable.
Test Performed at or Referral Lab Lab Sendouts  (BioCenter Laboratory via Quest)
Referral Lab number:437


Reference Range:0-20 µg/dL

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