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Test Name
Synonyms
LocationCPT
Codes
Lab Test
Codes
Lactic Acid, Microdialysis Test available only for UCI Inpatients
Lactic Acid Microdialysate
Chemistry (Special Chemistry) 83605 LACMCD
B-Cell Phenotyping Profile for Immunodeficiency and Immune Competence Assessment, Blood
B-cell Immune Competence; Common Variable Immunodeficiency; Kidney Transplant; Acquired Immune Deficiency; ATG; B and T Lymphocyte Surface Marker; B Cell; B Cell Assessment; B Cell CVID; B Cell Function; B Cell Immune Competence; B Cell Phenotype; B Cell Subset; B-cell Function; B-cell Immunodeficiency; CD19; CD19 Count; CD27 CD56 Count; CD3 Count; CD4 Count; CD8 Count; Cell Immunodeficiency; Class-switching; CVID; Helper Suppressor Ratio; Humoral Immunodeficiency; IgD; IgM; IgM Memory B-cell; Immune Assessment; Immune Competence; Immune Reconstitution; Immune Status; Immunodeficiency; Immunodeficiency Panel; Immunophenotyping-CD4 Count; Lymphocyte Surface Marker; Mature B-cell; Memory B-cell; Plasmablast; QN Lymphocyte Subsets: T, B, and NK; Quantitative CD4 and CD8; Suppressor Helper Ratio; Syndrome (AIDS); T and B Lymphocyte Surface Marker; T- and B-cell Quantitation; T- and B-cells; T-cell; T-helper/T-suppressor Ratio; T4/T8 Helper Suppressor Ratio; Transitional B-cell; Variable Immunodeficiency
Reference Laboratory 56360; 86355; 86356; 86357; 86359; 88184; 88185; 99001 YIABCS
Blood Parasites other than Malaria
Babesia; Filaria; Leishmania; Trypanasoma
Microbiology 87015; 87207 PARBLD
Borrelia burgdorferi Antibodies, IgG and IgM Immunoblot
Lyme Antibodies; Lyme Disease; Lyme Disease Ab Western Blot; Lyme Disease Antibodies (Serum); Lyme Disease antibodies WB; WB
Reference Laboratory 86617; 99001 XBBAB
Borrelia Burgdorferi Antibodies, Total by ELISA, CSF
Lyme antibodies CSF; Lyme antibodies Total; Lyme disease
Reference Laboratory 86618; 99001 XLYMEC
BRAF V600 Mutation Assay, Colorectal Cancers
BRAF CRC; cetuximab; Lynch Syndrome; panitumumab
Diagnostic Molecular Pathology 81210; 88381 BRAFC
CD20 Stain
L26
Anatomic Pathology (Histology) 88342 IMMPRX
CD45 Stain
LCA
Anatomic Pathology (Histology) 88342 IMMPRX
Chlamydia Antibodies, IgG, IgM, and IgA
Chlamydia Antibody Panel; LGV Serology
Reference Laboratory 86631; 86632; 99001 ZCHLM
Cytology, Anal Conventional Pap Test
Liquid Based Anal PAP; Non-GYN; ThinPrep
Cytology 88160 N/A
Cytology, Anal Liquid Based Pap Test
Liquid Based Anal PAP; Non-Gyn; ThinPrep
Cytology 88112 N/A
Cytology, Liquid Based Pap Test
GYN; Liquid Based PAP; Pap Smear; ThinPrep
Cytology 87621; 88142; 88143; G0123; G0141 N/A
Digoxin, Quantitative
Lanoxin
Chemistry (Rapid Response) 80162 DIGOX
F2-Isoprostanes, Random, Urine
8-epi Prostaglandin F2 alpha; 15-F2t-isoprostane; 8-iso Prostaglandin F2 alpha; 8-Isoprostane; F2ISO; Isoprostane; Lipid Peroxidation; Oxidative stress; Oxidized LDL; PGF2 alpha; Prostaglandin
Reference Laboratory 82542; 99001 YF2ISO
Fat, Feces
Coefficient of Fat Absorption; Fecal Fat; Fecal Fat Quantitative; Lipids; Lipids Feces; Stool Fat; Stool Fecal Fat Quantitative
Reference Laboratory 82710; 99001 YFATF
Fatty Acid Profile, Peroxisomal (C22-C26), Serum
Adrenoleukodystrophy; Fatty Acid Profile; Long Chain Fatty Acids; Peroxisomal, Fatty Acid Profile; VLCFA; Zellweger Syndrome
Reference Laboratory 82726; 99001 YPOX
Fentanyl Confirmation
Abstral; Actiq; Duragesic; Durogesic; Fentanil; Fentora; Haldid; Instanyl; Lazanda; Matrifen; Onsolis; Sublimaze
Chemistry (Toxicology) 80354 FENCON
Fentanyl Screen
Abstral; Actiq; Durogesic; Fentanil; Fentora; Haldid; Instanyl; Lazanda; Matrifen; Onsolis; Sublimaze
Chemistry (Toxicology) 80302 FENT
FibroTest-ActiTest, Serum
Chronic Hepatitis B; Chronic Hepatitis C; HCV Fibrosure; Hepatic Fibrosis; Hepatic Inflammation; Hepatitis; Liver Fibrosis
Reference Laboratory 81599; 99001 YFIBRO
Gonadotropin Releasing Hormone (GNRH)
Luteinizing hormone-releasing hormone
Reference Laboratory 83727; 99001 ZGNRH
Heparin Low Molecular Weight (Anti–Xa)
Daltaparin; Enoxoparin; Fragmin; Lovenox; Nadroparin
Hematology 85520 LMWH
Immune Cell Function
Cylex; ImmuKnow; lymphocyte stimulation
Reference Laboratory 86352; 99001 ZIMMUN
Immunoglobulin Total Light Chains, Urine
Immunoglobulin Light Chains; Kappa Light Chains; Lambda Light Chains; Light chains; Urine Light Chains
Reference Laboratory 83883; 99001 YTLCU
Lacosamide, Serum
VIMPAT
Reference Laboratory 80299; 99001 YLACO
Lactate Dehydrogenase
LD
Chemistry (Rapid Response) 83615 LDH
Lactate Dehydrogenase (LDH), Isoenzymes
Lactate Dehydrogenase Electrophoresis; LD Isoenzymes; LDH Isoenzymes
Reference Laboratory 83615; 83625; 99001 XLDISO
Lactate Dehydrogenase, Fluid
LD Body Fluid; LD Fluid; LDH Fluid
Chemistry (Rapid Response) 83615 LDHFL
Lactate to Pyruvate Ratio
Lactate Pyruvate ratio; LP ratio; Pyruvate; Pyruvic acid
Reference Laboratory 83605; 84210; 99001 XLPR
Lactic Acid, Plasma
Lactate
Chemistry (Rapid Response) 83605 LACTAT
Lactic Acid, Spinal Fluid
Lactate
Chemistry (Rapid Response) 83605 LACCSF
Lactoferrin, Fecal by ELISA
Reference Laboratory 83630; 99001 XLACTO
Lambda Light Chain Stain
Anatomic Pathology (Histology) 88342 IMMPRX
Lamotrigine
Lamictal
Chemistry (Toxicology) 80175 LAMOU
LDL Cholesterol
Direct LDL; Low Density Lipoprotein
Chemistry (Rapid Response) 83721 LDLD
Lead, Blood
Chemistry (Special Chemistry) 83655 LEADBL
Lead, Hair
Reference Laboratory 83655; 99001 ZLEADH
Lead, Nails
Reference Laboratory 83655; 99001 ZLEADN
Lead, Urine
Reference Laboratory 81050; 83655; 99001 XLEADU
Legionella pneumophila, Urine Antigen
Microbiology 87449 SERLAG
Leukemia Lymphoma Surface Marker Panel
Hematology 85060; 88184; 88185; 88325 LYMSM; LYMSMR for referral clients
Leukocyte Adhesion Deficiency (LAD)
CD11a, CD11b, and CD18
Reference Laboratory 88184; 88185; 99001 ZLAD
Leukocyte Alkaline Phosphatase (LAP) Stain
LAP Score; LAP Stain
Reference Laboratory 85540; 99001 ZLEUK
Levetiracetam
Keppra
Chemistry (Toxicology) 80177 LEVE
Librium and Nordiazepam
Chlordiazepoxide; Kolpoxide; Librax; Libritabs; Misural; Mitran; Multom; Poxi; Risolid; Sonimen; Tropium; Vovapam; Zetran
Reference Laboratory 80346; 99001 XCDPX
Lidocaine
Xylocaine
Reference Laboratory 80176; 99001 XLIDO
Lipase
Chemistry (Rapid Response) 83690 LIPAS
Lipase, Fluid
Reference Laboratory 83690; 99001 XLIPF
Lipid Panel with Reflex to Direct LDL
Cholesterol Panel; Coronary Risk Panel; Lipid Panel; Lipid Screen
Chemistry (Rapid Response) 80061; 83721 LIPSCD
Lipid Panel, Chol/HDL Ratio (Referral Use Only)
Lipid Panel with Chol/HDL Ratio
Chemistry (Rapid Response) 80061 LIPRTO
Lipid Panel, Fasting
Cholesterol Panel; Coronary Risk Panel; Lipid Panel AMA; Lipid Screen
Chemistry (Rapid Response) 80061 LIPSCN
Lipid Panel, Non-Fasting
Cholesterol Panel; Coronary Risk Panel; Lipid Panel; Lipid Screen
Chemistry (Rapid Response) 80061 LIPSC2
Lipoprotein a
Lp (a)
Chemistry (Toxicology) 83695 LPACH
Lithium
Chemistry (Rapid Response) 80178 LITH
Liver-Kidney Microsome (LKM) Antibody, IgG
Reference Laboratory 86376; 99001 XLKM
Loxapine (Loxitane) and 8-Hydroxyloxapine
Reference Laboratory 80342; 99001 ZLOXA
Lupus Anticoagulant - DRVVT
Lupus 1; Lupus Inhibitor
Hematology 85610; 85613; 85670 DRVVT
Lupus Anticoagulant – Hexagonal Phase Test
Hematology 85598; 85610; 85670; 85730 CLOTLA
Lupus Anticoagulant Panel
Anti-Phospholipid; Lupus Inhibitor
Hematology 85598; 85610; 85613; 85670; 85730 LUPANL
Luteinizing Hormone
Leuteinizing Hormone; LH
Chemistry (Rapid Response) 83002 LHH
Luteinizing Hormone (LH) Stain
LH
Anatomic Pathology (Histology) 88342 IMMPRX
Luxol Fast Blue/Cresyl Violet Stain
LFB/CV
Anatomic Pathology (Histology) 88312 HSPST2
Luxol Fast Blue/Periodic Acid-Schiff Stain
Anatomic Pathology (Histology) 88312 HSPST2
Lymphocyte Antigen and Mitogen Proliferation Panel
Antigen and mitogen proliferation panel; lymphocyte blastogenesis
Reference Laboratory 86353; 99001 XLYMPH
Lymphocyte Subsets by Flow Cytometry
Hematology 86355; 86357; 86359; 86360 BSUBS
Lymphocytic Choriomeningitis (LCM) Antibody,
IgG and IgM

Reference Laboratory 86727; 99001 XLCMV
Lysosomal Enzyme Panel
Reference Laboratory 82657; 82658; 99001 ZLYSO
Lysozyme Stain
Anatomic Pathology (Histology) 88342 IMMPRX
Lysozyme, Serum
Reference Laboratory 85549; 99001 XLYSBL
Microdialysis Panel (microD Panel) Test available only for UCI Inpatients
Glumic; Lacmic; LPrato; MICref; Pyrmic
Chemistry (Special Chemistry) 82945; 83605; 84210 CSFMIC
Microsatellite Instability (MSI) Test
Hereditary Nonpolyposis Colorectal cancer; HNPCC; Lynch syndrome
Diagnostic Molecular Pathology 81301; 88381 MSI
Myasthenia Gravis (MG)/Lambert-Eaton Myasthenic Syndrome (LEMS) Evaluation, Serum
P/Q; Acetylcholine Receptor (Muscle AChR) Antibodies; Ach Receptor Ab; AChR (Acetylcholine Receptor); AChR Receptor Blocking Ab; Anti-Skeletal Muscle Antibodies; Blocking Ab; Calcium channel antibody; Lambert Eaton; Lambert-Eaton Myasthenic syndrome; Lambert-Eaton syndrome; LEMS; LES; Muscle End-Plate Antibodies; MUSK; MuSK myasthenia; Myasthenia Gravis; Myasthenia Gravis Antibodies; Myoid Antibody; Thymoma
Reference Laboratory 83519; 86255; 99001 Y1MGL
PAN-HEME NGS Panel
Hematologic malignancy; Lymphoid; Myeloid; NGS
Diagnostic Molecular Pathology 81455 PANHEM
Primidone and Metabolite
Luminal; Mysoline; Phenobarbital
Reference Laboratory 80184; 80188; 99001 XPRIM
Quantiferon TB Gold Plus, 4-Tube
Interferon Gamma Release assay for Tuberculosis; Latent Tuberculosis Infection (LTBI); QFT TB; Quantiferon Mitogen and NIL
Reference Laboratory 86480; 99001 XQTB4
ST2, Serum
Cardiac Fibrosis; Cardiac Remodeling; Heart Failure; L-33 Receptor; ST2S
Reference Laboratory 83006; 99001 YST2S
T-Cell Receptor Gene Rearrangement, PCR, Blood
Lymphoma vs Benign Process; Reactive Lymphocytic Process; T Cell Rearrangement
Reference Laboratory 81340; 81342; 99001 YTCGR
Thyroid Stimulating Immunoglobulin (TSI), Serum
Graves Disease; LATS (Long-Acting Thyroid Stimulator); Thyretain; Thyroid Receptor Antibody; Thyroid Stimulating Antibody; Thyroid Stimulator Antibody; TSH Receptor Binding Inhibitory Immunoglobulin; TSI (Thyroid Stimulating Immunoglobulin)
Reference Laboratory 84445; 99001 YTSI