Menu Test Catalog Find a Test Find a test by name, code, CPT, or keyword Any # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Need Help? We can help you find the right test or let you know if we have a fulfillment partner. Contact Us Alphabetical: N 34 Results Results per page 10 10 25 50 100 Collagen Cross Linked N Telopeptide, Urine with Creatinine Test Code NTXUR CPT-4 Code(s) 82523, 82570 Performed At Quest Valencia N-methyl-D-ASPARTATE RECEPTOR AB, IGG, SERUM Test Code NMETD CPT-4 Code(s) 86255, plus 86256 if reflexed to titer, at an additional fee Performed At ARUP Reference Laboratory N-methyl-D-ASPARTATE RECEPTOR ANTIBODY, IgG, CSF with REFLEX to TITER Test Code NARGC CPT-4 Code(s) 86255, plus 86256 If reflexed to titer, at additional cost Performed At ARUP Laboratory N-METHYLHISTAMINE, 24 HOUR, URINE Test Code NMH24 CPT-4 Code(s) 82542 Performed At Mayo Clinic Laboratories N-METHYLHISTAMINE, RANDOM, URINE Test Code NMHR CPT-4 Code(s) 82542, 82570 Performed At Mayo Clinic Laboratories N-TELOPEPTIDE, CROSS-LINKED, SERUM Test Code NTXS CPT-4 Code(s) 82523 Performed At Quest Valencia N,N-DIMETHYLFORMAMIDE (DMF) EXPOSURE, URINE Test Code DMFU CPT-4 Code(s) 82542 Performed At NMS Labs NALTREXONE AND METABOLITE – TOTAL (CONJUGATED/UNCONJUGATED), URINE Test Code NALTX CPT-4 Code(s) 80362 (G0480) Performed At NMS Labs NAPROXEN, SERUM/PLASMA Test Code NAP CPT-4 Code(s) 80329 (G0480) Performed At NMS Labs NARCOLEPSY (HLA-DQB1*06:02) GENOTYPING Test Code NARCO CPT-4 Code(s) 81383 Performed At ARUP Reference Laboratory Alphabetical: N 34 Results Results per page 10 10 25 50 100 1234 Next Resources Interpretation Guides & Forms Education Specimen Collection and Transport Order Supplies Home About Tests Resources Services MCL Location 300 West Textile Rd Ann Arbor, MI 48108 Get Directions Ph 734-214-0300 Fax 734-214-0399 Toll Free 800-760-9969 Copyright 2021, All Rights Reserved