print #S50076: N-Methylhistamine Urine [83011] 6/19/2013 Components   Name Method Reference Range Units N-Methylhistamine LC-MS/MS  < 6 years: 120 - 510 < 17 years: 70 - 330 >= 17 years: 30 - 200   ug/g Cr   Collection Duration     h   Urine Volume     mL   Creatinine Concentration     mg/dL   Specimen Requirements   Type Volume Temperature Instructions PRIMARY 1 Urine 5 (3) mL   Frozen - 14 Day(s)/Refrigerated - 8 Day(s)/Ambient - 24 Hour(s)   Collection Instructions Collect 24 hour urine with no preservatives. Icteric specimens are no longer rejected. Total volume required. Record on both the specimen container and the request form. Urine Preservative Collection Options: Note: The addition of preservative or application of temperature controls must occur within 4 hours of completion of the collection: 6N HCL, 50% Acetic Acid, Na(2) CO(3), Toluene, 6N HNO(3), Boric Acid, Thymol Setup Schedule Tuesday, Thursday Reported (Analytical Time) 4 days CPT Codes 83789,82570 The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.