| Test Name (Click to sort by popular result) | COE Code |
| HDL Cholesterol | CHDL |
| HDL Cholesterol Subfractions | ML MISC |
| HER-2/neu by Immunohistochemistry | |
| HER2 FISH for Breast Cancer | MLABEL |
| HHV-6 (Human Herpesvirus 6) Antibody, IgG & IgM | ML MISC |
| HHV-6 (Human Herpesvirus 6) DNA by PCR, Quantitative | VHHV6/VBHHV6 |
| HHV-7 (Human Herpesvirus 7) DNA by PCR, Quantitative | SENDOUT |
| HHV-8 (Human Herpesvirus 8) DNA by PCR, Quantitative | VHHV8/VBHHV8 |
| HIV Type 1 Proviral DNA by PCR, Qualitative | ML SEC |
| HIV Type 1 RNA Quantitation by bDNA, 3rd Generation | ML SEC |
| HIV Type 1 RNA by PCR, Quantitative | QHIV |
| HIV-1 Antibody Confirmation by Western Blot | HIVWB |
| HIV-1 Genotypic Resistance | HIVGEN |
| HIV-1 Phenotypic Resistance | SL SEC |
| HIV-1/HIV-2 Antibody | AHIV |
| HIV-1/HIV-2 Antibody Confirmation | WBA |
| Halcion (Triazolam) | ML MISC |
| Haloperidol | HALO |
| Haptoglobin | HPT |
| Heavy Metal Screen, Blood | HMSB |
| Heavy Metal Screen, Urine | HMSU |
| Heinz Body Stain | HB |
| Helicobacter pylori Antibody, IgG, Serum | HELI |
| Helicobacter pylori Antibody, IgM, Serum | HELIG |
| Helicobacter pylori Antigen, Stool | HPSA |
| Helicobacter pylori Urea Breath Test | UBT |
| Hematocrit | HCT |
| Hemoglobin A1c | A1C |
| Hemoglobin A2 | HGBA2 |
| Hemoglobin Fractionation | HGBE |
| Hemoglobin, Fetal | K-B |
| Hemoglobin, Plasma or Serum | HGBN |
| Hemoglobin, Whole Blood, Adult | |
| Hemoglobin, Whole Blood, Pediatric | |
| Hemophilus influenzae B Antibody, IgG | HIBS |
| Hemosiderin, Urine | ML MISC |
| Heparin Antibody Assay | HIT ELISA |
| Heparin Co-factor II | ML MISC |
| Hepatic Function Panel | LIVER |
| Hepatitis A Antibody, IgG & IgM | HAAB |
| Hepatitis A Antibody, IgM | AHAV |
| Hepatitis B Core Antibody, IgG & IgM | HBCAB |
| Hepatitis B Core Antibody, IgM | HBCMAB |
| Hepatitis B Surface Antibody | HBSAB |
| Hepatitis B Surface Antigen | HBSAG |
| Hepatitis B Virus DNA by PCR, Qualitative | FHBVQL |
| Hepatitis B Virus DNA by PCR, Quantitative | QHBV |
| Hepatitis B e Antibody | AHBE |
| Hepatitis B e Antigen | HBE |
| Hepatitis C Antibody | HCAB |
| Hepatitis C Virus Genotyping | HCVGEN |
| Hepatitis C Virus RNA by PCR, Quantitative | QHCV |
| Hepatitis C Virus by RIBA | RIBA |
| Hepatitis Delta Antibody | AHDV |
| Hepatitis E Antibody, IgG | HEPEG |
| Hepatitis E Antibody, IgM | HEPEM |
| Hepatitis Panel | HHH |
| Hereditary Hemochromatosis Mutation Detection | MLABEL |
| Herpes B (simiae) Antibody, IgG | ML MISC |
| Herpes simplex Antibody, Types 1 & 2, IgG | HSVP |
| Herpes simplex Antigen | HSVD |
| Herpes simplex Culture | HSVCULT |
| Herpes simplex DNA by PCR, Qualitative | PCRHSV |
| Hexagonal Phospholipid Neutralization | HEXAG |
| Hexosaminidase A and Total, Serum or Leukocytes | NAGS/NAGR/NAW |
| High Molecular Weight Kininogen | ML MISC |
| Histamine, Plasma | PLH |
| Histamine, Urine | HST-RN/HST-24 |
| Histone Antibody | HIS |
| Histopathology | |
| Histoplasma Antibody | ML MISC |
| Histoplasma Antibody (MDCH) | SHISTO/CHISTO |
| Histoplasma Antigen | ML MISC/FHISTOU |
| Homocysteine, Total Plasma | HCY |
| Homocysteine, Total Urine | HCYSU |
| Homovanillic Acid, Urine | HVA |
| Human Chorionic Gonadotropin, Beta Subunit | BHCG |
| Human Erythrocyte Antigen Genotyping | MLABEL |
| Human Papillomavirus (HPV) DNA Profile | HPVDNA |
| Human Placental Lactogen | ML MISC |
| Human T-Cell Lymphotropic Virus I/II (HTLV-I/II) Antibody | HTLVI |
| Huntington Disease Mutation | HUNTDIS |
| Hydromorphone, Serum | ML MISC |
| Hydroxycarbazepine | OXCARB |
| Hypersensitivity Pneumonitis IgG Antibody | ML MISC |
| Hypoglycemic Agent Screen, Serum | HYPOG |