Laboratory Testing Services Manual - Laboratory Tests for Diseases and Agents

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Biochemistry and Genetics Tests       Environmental Tests       Microbiology Tests

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Biochemistry and Genetics

Blood Lead

Cholesterol / Lipid Profile


Cystic Fibrosis Testing (CFTR Mutation Panel)


Galactosemia Testing (DNA Mutation Panel)

Hemoglobin Electrophoresis

Hemoglobinopathy Testing (DNA Confirmation)

Medium Chain Acyl-CoA Dehydrogenase Deficiency (MCAD) (DNA Mutation Panel)

Very Long-Chain Acyl-CoA Dehydrogenase Deficiency (VLCAD) (Gene Sequencing)

Newborn Screening Panel

Phenylketonuria (PKU) – Dietary Monitoring

Total Hemoglobin

X-linked Adrenoleukodystrophy (X-ALD) Full Gene Sequencing

X-linked Adrenoleukodystrophy (X-ALD) Targeted Gene Sequencing


Insecticides in Air
Volatile Organics in Air

Gross Alpha or Gross Beta
Gross Alpha and Gross Beta
Gamma Emitting Isotopes
Radium 226
Radium 228
Uranium Isotopes by Alpha Spectroscopy
Plutonium Isotopes
Thorium Isotopes
Strontium 89 or Strontium 90
Alpha spectroscopy Preparation Procedure
Carbon 14

Drinking Water-Inorganic
Alkalinity, Total and Phenolphthalein
Bicarbonate-Carbonate, with Alkalinity
Bicarbonate-Carbonate, without Alkalinity
Carbon, Total Organic
Cyanide, Total
Nitrate + Nitrite
Residue, Total
Routine Water Group
Silica, Dissolved
Solids, Total Dissolved
Solids, Total Dissolved (determined)

Drinking Water-SOC

Synthetic Organic Contaminants  – Drinking Water

Drinking Water-SVOC
Trihalomethanes in Drinking Water
Ethylene Dibromide and Dibromochloropropane in Drinking Water
Chlorinated Pesticides in Drinking Water
Chlorinated Pesticides and PCBs in Drinking Water
Decachlorobiphenyl in Drinking Water
Chlorophenoxy Herbicides in Drinking Water
Carbamates in Drinking Water
Glyphosate in Drinking Water
Diaquat and Paraquat
Chlorinated Disinfection Byproducts (Haloacetonitriles)
Chloral Hydxrate
Haloacetic Acids and Dalapon in Drinking Water
Semi-Volatiles in Drinking Water

Drinking Water-VOC
Volatile Organic Compounds in Drinking Water

Food and Food Products
Added Substances
Added Water
Deterioration, Canned Products
Fat, Paly Screen
Fat, Soxhlet Extraction
Meat Protein
pH of Food Products
Water Activity

Metals in Drinking Water by ICP
Metals in Drinking Water by ICP-MS
Mercury in Drinking Water
Metals by ICP
Metals by ICP-MS
Mercury by Cold Vapor Atomic Absorption (CVAAS)
Metals by Gaseous Hydride Atomic Absorption (GHAAS)
Metals by Graphite Furnace Atomic Absorption (GFAAS)
Metals by Flame Atomic Absorption (FLAAS)
Metals in Pottery

Soil- Radiation
Gross Alpha or Gross Beta
Gross Alpha and Gross Beta
Gamma Emitting Isotopes
Radium 226
Radium 228
Uranium Isotopes by Alpha Spectroscopy
Plutonium Isotopes
Thorium Isotopes
Strontium 89 or Strontium 90
Alpha Spectroscopy Preparation Procedure

Volatile Organic Compounds in Tissue
Organochlorine Pesticides and PCBs in Tissue
Semivolatile Organic Compounds in Tissue

Vegetation/Tissue - Radiation:
Gross Alpha or Gross Beta
Gross Alpha and Gross Beta
Gamma Emitting Isotopes
Radium 226
Radium 228
Uranium Isotopes by Alpha Spectroscopy
Plutonium Isotopes
Thorium Isotopes
Strontium 89 or Strontium 90
Alpha spectroscopy Preparation Procedure 

Water - Radiation:
Gross Alpha or Gross Beta
Gross Alpha and Gross Beta
Gamma Emitting Isotopes
Radium 226
Radium 228
Uranium Isotopes by Alpha Spectroscopy
Plutonium Isotopes
Thorium Isotopes
Strontium 89 or Strontium 90
Alpha Spectroscopy Preparation

Microbiology    Top

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Acanthamoeba (Microscopic-Direct Exam; Trichrome Stained Slide)

Acquired Immune Deficiency Syndrome

Acid Fast Bacilli Isolate Identification by High Performance Liquid Chromatography (HPLC)

Acid Fast Bacilli Biochemicals, Basic  

Acid Fast Bacilli (AFB) Culture

Acid Fast Bacilli (AFB) Smear

Acid Fast Bacilli (AFB) Specimen Concentration 

Actinomycete, High Performance Liquid Chromatography
Actinomycosis (Aerobic Culture - Identification) 
Aerobic Bacterial Culture (Isolation)
Aerobic Bacterial Culture, Stool (Isolation)

AFB – Mycobacterium kansasii, Rifampin Susceptibility by Agar Proportion

AFB - See Mycobacteriosis

AFB Isolate Identification by Probe
Amebiasis Entamoebia historlytica/Entamoeba disbar (Culture -Isolation)
Amebiasis Entamoeba histolytical/Entamoeba disbar (Staining Identification)
Amebiasis Entamoeba histolytica/Entamoeba disbar (Serological)
Anaerobic Bacterial Culture, Special (Isolation)
Anaerobic Bacterial Toxin Detection (Isolation)

Anaerobic Bacterial Toxin Detection (Identification) 

Anaerobic (identification)

Animal Testing- Diagnosis of animal diseases is not offered at TDSHS, testing is available at Texas Veterinary Medical Diagnostic Laboratory, College Station, TX (888)-646-5623. See Rabies for exception. Anthrax Culture (Isolation)Anthrax Culture (Identification)

Anthrax (Serological)

Arbovirus IgM EIA, St. Louis Encephalitis and West Nile
Arizona Salmonella (Arizona) Culture (Isolation)
Arizona Salmonella (Arizona) Culture (Identification)
Ascariasis (Microscopic-Direct Concentration)
Aspergillosis (Culture-Isolation)
Aspergillosis (Culture-Identification)

--B-- ^ Top

Babesiosis (Serological)

Babesiosis (Microscopic - Stain)

Bacillus, (Definitive Identification) 

Bacillus anthracis (Culture - Isolation)
Bacillus cereus (Culture-Isolation)
Balantidiasis (Microscopic - Direct Concentration)
Bioterrorism agents (Environmental - Isolation)
Bioterrorism agents (Clinical-Isolation)
Bioterrorism agents (Referred - Identification)
Bioterrorism agents (Referred Identification - PCR)
Blastocystis hominis (Microscopic - Driect Concentration and Trichrome stain)
Bordetella pertussis PCR
Botulism Culture (Culture Isolation and Identification)
Botulism Toxin (Toxic Detection Toxin and Typing, Serological )
Botulism Culture (Toxin Typing)
Botulism Serological (Toxin Detection)

Botulinum (PCR)

Botulinum (Toxin Assay) 

Botulism (Serological-Toxin Typing)
Brevetoxin; Shellfish
Brucellosis (Culture Isolation and Identification)
Brucellosis (Culture-Identification)
Brucellosis (Serological-Agglutination)

--C-- ^ Top

California Encephalitis (Serological)
Campylobacter Culture-(Isolation)
Campylobacter spp. identification
Candidiasis (Culture-Identification)
Chagas CDC Reference Test

Chagas IgG (Trypanosoma cruzi IgG Antibody Immunoassay Chagas Serologic Screen

Chancroid (Culture-Identification)

Chikungunya Virus, IgM

Chlamydia (Genetic Probe)
Clonorchiasis (Microscopic-Direct Concentration)
Clostridium botulinum See Botulism Culture –(Isolation and Identification) and Botulism Culture (Toxin Detection)
Clostridium perfringens (Culture - Isolation)
Colorado Tick Fever (Serological)
Coronavirus (Serological) 

Count, Fecal Coliform, MPN Shellfish  

Count, Somatic Cell (DMSC) cow 

Count, Somatic Cell (OSCC) cow

Count, Somatic Cell (DMSC) goat

Count, Somatic Cell (OSCC) goat
Cryptosporidiosis (Microscopic-Direct Concentration Acid Fast Stain)
Cyclospora sp. (Microscopic-Direct Concentration Heat Infused Acid Fast)
Cysticercosis (Serological)
Cysticercosis (Taenia Solium) (Microscopic-Direct Stained Slides)

--D-- ^ Top


Dairy Water 

Definitive ID:  Burkholderia mallei/pseudomallei

Dengue Fever (Serological-Enzyme Immunoassay (IgM capture and IgG)
Dientamoeba fragilis (Microscopic-Trichrome Stains)
Diphtheria Culture - (Isolation)
Diphtheria Culture  - (Identification)
Diphyllobothriasis (Microscopic-Direct Concentration) 

Direct Detection by High Performance Liquid Chromatography (HPLC)
Dysentery, Amebic (See Amebiasis.)

--E-- ^ Top

Eastern Equine Encephalitis (Culture-Identification) See Arbovirus (Culture-Isolation)

Ebola Zaire PCR

Echinococcosis (Serological)
Echinococcosis (Microscopic - Direct)
Enteric Bacteria (See also Aerobic Bacterial Culture, Stool (Isolation))

Enteric identification – Culture 
Enterobiasis-Pin Worm (Microscopic - Direct)
Erysipeloid (Culture-Isolation)
Erysipeloid (Culture-Identification)
Escherichia coli 0157:H7 Culture (Isolation)
Escherichia coli 0157:H7 or other Shiga toxin E. coli (Toxin Testing)
Escherichia coli 0157:H7 or other Shiga toxin E. coli Culture (Typing)

--F-- ^ Top

Farmer’s Lung (Serological)
Fasciolopsis (Microscopic-Direct Concentration)
Fifth Disease (See Parvovirus)

Names of Related Agents: Parvovirus B19 
Filariasis (Microscopic-Direct Giemsa Stain)  

Food Analysis: Campylobacter Food Analysis: Cyclospora, PCR

Food Analysis: Cronobacter sakazakii

Food Analysis: Cyclospora, PCR  

Food Analysis: E.coli 0157

Food Analysis: Listeria 

Food Analysis: Non-0157 STEC

Food Analysis: Shigella 

Food Analysis: Staphylococcus Enterotoxin 

Food Analysis: Salmonella

Food Analysis: Yersinia 

Francisella tularemia Antibodies

Francisella tularensis (Culture—Isolation) See Tularemia (Culture - Isolation) 
Francisella tularensis (Culture—Identification) See Tularemia (Culture - Identification)

--G-- ^ Top

Giardiasis (Microscopic-Direct Concentration)
Gonorrhea  (Culture - Isolation)
Gonorrhea (Culture - Identification)(Neisseria spp. Identification)
Gonorrhea (Culture - Genetic Probe) 

Gram-negative rod identification – (Culture)
Granuloma Inguinale (Microscopic - Direct)

--H-- ^ Top

Haemophilus species  (Culture - Identification)

Haemophilus influenzae serotyping 
Hansen’s Disease (see Leprosy)
Hantavirus (Serological-Enzyme Immunoassay)
Hepatitis A, IgM (Enzyme Immunoassay (EIA) for the Detection of Anti Hepatitis A Antibodies (IgG and IgM) in Human Serum Specimens)

Hepatitis A, Total (Enzyme Immunoassay (EIA) for the Detection of total Anti-Hepatitis A Antibodies (IgG and IgM) in Human Serum)
Hepatitis B Core Antibody (Enzyme Immunoassay (EIA) for the Detection of Antibodies to Hepatitis B Core in Human Serum Specimens)

Hepatitis B Core IgM Antibody 

Hepatitis B Surface Antibody

Hepatitis B Surface Antigen 

Hepatitis C Antibody

Hepatitis C RNA, Quantitative NAAT

High-Density Lipoprotein (HDL)
HIV-1, Confirmation (Serological-Western Blot)


HIV-1, Screen (Serological-Enzyme Immunoassay)

HIV-2, Screen (Serological)

HIV Supplemental Assay - Geenius
HTLV-I-II (Serological)
Hookworm (Microscopic-Direct Wet Smears Concentration)

--I-- ^ Top

Influenza Real-Time RT-PCR 

Influenza SARS-CoV-2 (COVID-19) Multiplex Real-Time RT-PCR
Isopora species (Microscopic-Direct Wet Smears Concentration)
Isopora species (Microscopic-Acid Fast Stain)

--L-- ^ Top

Legionellosis (Culture - Identification)
Legionellosis (Serological - Immunofluorescence)
Leishmaniasis (Culture-Isolation)
Leishmaniasis (PCR-CDC through TDH)
Leishmaniasis (Serological)
Leishmaniasis (Microscopic-Giemsa Stain)
Leptospirosis (Serological)
Listeriosis (Culture - Isolation) 
Listeriosis (Culture - Typing)
Loiasis (Microscopic-Direct Giemsa Stains)
Lymphocytic Choriomeningitis (Serological)

--M-- ^ Top

Malaria (Serological)
Malaria (Microscopic-Direct Stain Giemsa)
Melioidosis Culture (Isolation) See also  Aerobic Bacterial Culture (Isolation)
Melioidosis (Culture-Identification) See also Aerobic Bacterial Culture, (Identification)
Meningitis, Amebic See Primary Amebic Meningoencephalitis
Microsporidiosis (Microscopic-Modified Trichrome Stain)

Milk, (Count for Containers, Standard Plate Count)


Milk, Quality Check (Added Water) 

Milk and Dairy: Freezing Point 

Milk and Dairy: Growth inhibitors, Charm ROSA, Sulfonamide 

Milk and Dairy: Growth inhibitors, Charm 3 SL-3 Beta Lactams 

Milk and Dairy: Growth inhibitors, Charm SLBL Beta Lactam 

Milk and Dairy: Growth inhibitors, Charm ROSA, Tetracyclines

Milk and Dairy: Growth inhibitors, Delvo Test  

Milk and Dairy Products: Coliform Count for Containers

Milk and Dairy Products; Count, Coliform  

Milk and Dairy Test, Aflatoxin 

Milk and Dairy Test, Phosphatase
Milk, Quality Check (Pathogens)

Mold Identification 

Molecular typing (PFGE) 

M. tuberculosis complex, AFB Agar Proportion Drugs, Isoniazid, 0.2 µg/mL

M. tuberculosis complex, AFB Agar Proportion Drugs, Isoniazid, 1.0 µg/mL 

M. tuberculosis complex, AFB Agar Proportion Drugs, Capreomycin 

M. tuberculosis complex, AFB Agar Proportion Drugs, Ethambutol 

M. tuberculosis complex, AFB Agar Proportion Drugs, Ethionamide

M. tuberculosis complex, AFB Agar Proportion Drugs, Kanamycin  

M. tuberculosis complex, AFB Agar Proportion Drugs, Ofloxacin

M. tuberculosis complex, AFB Agar Proportion Drugs, Rifabutin 

M. tuberculosis complex, AFB Agar Proportion Drugs, Rifampin

M. tuberculosis complex, AFB Agar Proportion Drugs, Streptomycin 

M. tuberculosis complex, MGIT Pyrazinamide Susceptibility Test
Mumps (Serological - Enzyme Immunoassay for IgG)
Mumps (Serological - Immunofluorescence assay for IgM)
Mycobacteriosis (Culture - Isolation)
Mycobacteriosis (Culture - Identification)
Mycobacteriosis (Culture - Susceptibility, Primary Drug Panel)
Mycobacteriosis (Culture - Isolation - Direct Nucleic Acid Amplification Test (NAAT) for Mycobacterium tuberculosis complex)
Mycoplasmosis (Serological)

--N-- ^ Top

Naegleria fowleri (Identification and Culture) See also Primary Amebic Meningoencephalitis  (PAM)

Neisseria meningitidis serotyping
Nosocomial Infections
Norovirus (Norwalk-like Virus) (see Calicivirus)

--O-- ^ Top

Ornithosis (see Psittacosis) Names of Related Agents: Psittacosis, Parrot Fever

--P-- ^ Top

Paracoccidioidomycosis (Serological)

Paragonimiasis (Serological)

Paragonimiasis (Microscopic-Direct Wet Smears Concentration)

Parainfluenza (Serological-Complement Fixation) Test no longer performed at DSHS

Parvovirus B19 (Serological-Enzyme Immunoassay) Test no longer performed at DSHS 

PCR: Burkholderia mallei/pseudomallei

Pertussis Culture (Identification)

PFGE –Molecular typing See Molecular typing  (PFGE) Reference Range 

Pinworm See Enterobiasis

Plague (Culture - Isolation)

Plague ( Culture- Identification)

Plague (Serological - Hemagglutination)


Pneumocystosis (Microscopic-Giemsa Stain)

Poliomyelitis (Culture - Isolation) - Forwarded by TDSHS to CDC for testing

Poliomyelitis (Culture - Typing) - Forwarded by TDSHS to CDC for testing

Poliomyelitis (Serological-Complement Fixation)  Test no longer performed at DSHS 

Potable Water
Primary Amebic Meningoencephalitis Enviornmental (Culture - Isolation)
Primary Amebic Meningoencephalitis (Culture - Identification)
Primary Amebic Meningoencephalitis (Serological)
Protothecosis (Culture - Isolation)
Protothecosis (Microscopic-Direct Fluorescent Antibody)
Psittacosis (Serological-Forwarded by TDH to CDC for testing.)

--R-- ^ Top

Rabies (Microscopic-Direct Fluorescent Antibody) 

Relapsing Fever (Serological-Forwarded by TDH to CDC for testing.)Respiratory Syncytial Virus (Serological-Complement Fixation) Test no longer performed at DSHS

Rickettsia See specific disease entities: Rocky Mountain Spotted Fever, Murine Typhus 

Rocky Mountain Spotted Fever

Rotavirus (Microscopic-Electron Microscopy)

Round Worm See Ascariasis 

Rubella Screen IgG (German Measles)

Rubella (Immune Status) (Serological-Enzyme Immunoassay)

Rubella (Serological-Enzyme Immunoassay)

Rubeola (Measles IgG )

Rubeola (Measles IgM)
Rubeola (Measles) (Serological-Enzyme Immunoassay)

--S-- ^ Top

Salmonellosis (Culture – Isolation)

Salmonella spp. – Identification 

Salmonella spp. – Serotyping  

Salmonellosis (Culture – Typing) 

Shellfish: Vibrio 

Shellfish: Vibrio (Foods, Oysters) 

Schistosoma EIA 
Shistosomiasis (Serological)
Schistosomiasis (Microscopic-Direct Concentration)
Shigellosis (Culture Isolation)

Shigellosis (Culture Typing) 

Sporotrichosis (Serological) 

Standard Plate Count: Shellfish 

St. Louis Encephalitis (Serological-Enzyme Immunoassay (IgM capture and IgG) 

Standard Plate Counts Dairy products - Milk and Dairy

Standard Plate Count (Shellfish)

Staphylococcus (Culture-Identification)
Staphylococcus Culture (Isolation) 

Strep Screen (Type B only)

Streptococci identification – Culture 

Streptococcus pneumoniae (Culture - Typing) See Pneumococcus

Strongyloidiasis (Serological) 

Strongyloides EIA

Strongyloidiasis (Microscopic-Direct) 

Syphilis Screen, Total

Syphilis (Serological-Rapid Plasma Reagin Card)
Syphilis [Serological-Treponema pallidum - Particle Agglutination (TP-PA)]
Syphilis (Serological-Venereal Disease Research Laboratory)

--T-- ^ Top

Taeniasis (Microscopic-Direct Concentration Clearing)
Tapeworm, Other Diphyllobothrium latum, Hymenolepis nana, Hymenolepis diminuta (Microscopic-Clearing Exam)
Toxocariasis (Serological - Forwarded by TDH to CDC for testing.)
Toxoplasmosis (Microscopic - Giemsa Stain)
Trachoma (Culture - Isolation) See Chlamydia (Culture - Isolation)
Trachoma (Culture - Identification) See Chlamydia (Culture - Identification)
Trachoma (Culture-DNA Probe) See also Chlamydia (Genetic Probe)
Trachoma (Serological)
Trichinelliasis (Serological)
Trichinelliasis (Microscopic - Direct)
Trichuriasis (Microscopic - Direct Concentration Exam ID)
Trypanosomiasis (Culture)
Trypanosomiasis (Microscopic-Direct Giemsa stained)
Tuberculosis (Culture - Isolation)
Tuberculosis (Culture - Identification)
Tuberculosis (Culture - Susceptibility, Primary Drug Panel)
Tuberculosis (Culture - Isolation - Direct Nucleic Acid Amplification Test (NAAT) for Mycobacterium tuberculosis complex)
Tuberculosis (Culture - DNA Fingerprinting)
Tularemia (Culture - Isolation)
Tularemia (Culture - Identification)
Tularemia (Serological - Agglutination)
Typhus (RMSF, Typhus), IgG

--U-- ^ Top

Undulant Fever For clinical specimen testing see Brucellosis (Culture - Isolation) For referred cultures see Brucellosis  (Culture - Identification)
Urethritis (Culture-Isolation)
Urethritis (Culture-Identification) For clinical culture studies see Gonorrhea  (Culture - Isolation) For probe testing, see Gonorrhea (Culture - Genetic Probe)

--V-- ^ Top

Vibrio parahaemolyticus and other Vibrio species (Culture-Identification)
Vibrio cholerae, (Culture-Identification)
Vibrio cholerae and other Vibrio species (Isolation)
Virulence Factors - (PCR)

--W-- ^ Top

Water Testing, Cryptosporidia & Giardia MPA (Micro particulate analysis (Microscopic-Direct Exam IFA)
West Nile Virus Encephalitis (Serological-Enzyme Immunoassay– IgG and IgM)

West Nile Virus (mosquitoes) – PCR
Worm, Miscellaneous Identification (Microscopic-Direct Concentration)

--Y-- ^ Top

Yeast Identification
Yellow Fever (Serological)
Yersinia pestis (Culture-Isolation)
Yersinia enterocolitica (Culture-Isolation)

--Z-- ^ Top

Zika IgM