Tests and Fees

For laboratory testing services and fees refer to the following for more information:

Unless otherwise noted, specimens may only be collected by authorized medical professionals at any clinical practice or clinical location in the County. Specimens must be transported by courier or other means to the County of San Luis Obispo Public Health Laboratory at 2191 Johnson Avenue, San Luis Obispo, for testing.

Click on the test name for additional information, including collection instructions.

Test categories are:

  • Bacteriology, Molecular Amplification and Virology, Mycobacteriology, Mycology, Parasitology, Serology, Services for the General Public, Water and Shellfish Testing, Special Services
TestFrequencyTest CodeNotes
Bacteriology

Requisition 100
Aeromonas-Plesiomonas cultureDaily2310
Antibiotic susceptibility testing, urineDaily2600
Bacteriology isolate identification, set-upDaily2025
Bacteriology primary cultureDaily2085
Campylobacter cultureDaily 2240
Carba-R assayDaily2350
E. coli shiga toxin-producing cultureDaily2250
E. coli shiga toxin-producing isolate confirmationDaily2080
Gram stainDaily2035
MALDI-TOF MS bacterial IDDaily2460
Neisseria gonorrhoeae cultureDaily2050
Salmonella cultureDaily2220Stool collection instructions in English and Spanish
Shigella cultureDaily2230
Shiga toxin EIADaily 2290
Stool culture isolate confirmationDaily2280
Streptococcus cultureDaily2015
Urine culture with colony countDaily2065
Vibrio cultureDaily2260
Yersinia enterocolitica cultureDaily2270
Bacteriology Panels


Gastrointestinal PCR panel (GP)Daily6500Detects 22 viruses, bacteria, and parasites
Stool culture, comprehensiveDaily23008 bacterial pathogens
Stool culture, standardDaily22004 bacterial pathogens
Molecular Amplification and Virology

Requisition 100
Chlamydia NAATDaily2750
Gonorrhea NAATDaily2770
HIV antigen & antibody immunoassay, serum2x weekly5500HIV serologic screen
HIV antibody differentiation test2x weekly
HIV serologic confirmation
Herpes Simplex Virus NAATDaily6840
Influenza virus PCR3x weekly50001No charge for surveillance
Measles (Rubeola) virus PCRDaily6180
MTB complex NAAT (Xpert)Daily3530
Mumps virus PCRDaily6170
Mycoplasma genitalium NAAT3x weekly2870
Norovirus PCRDaily6100Stool collection instructions in English and Spanish
Poxvirus PCRDailyBTC05300Includes mpox detection
Rabies DFA (animal testing only)Weekly6000Requisition 500
SARS-CoV-2 NAATDaily 6860
Trichomonas NAAT3x weekly 2850
Varicella-Zoster Virus NAATDaily 6900
Molecular Amplification Panels


Gastrointestinal PCR panel (GP)Daily6500Detects 22 viruses, bacteria, and parasites
Influenza/SARS-CoV-2 NAAT (CDC method)Daily51000
Respiratory pathogen PCR panel (RP)Daily6310Detects 19 viruses, bacteria, and atypical bacteria
SARS-CoV-2/Flu/RSV NAATDaily52000
Mycobacteriology

Requisition 100
Acid-fast bacilli (AFB) concentrationDaily9900
AFB cultureDaily3545
Sputum collection instructions in English and Spanish
AFB fluorescent smearDaily3535
AFB isolate identification, set-upDaily3555
AFB tissue homogenizationDaily3540
MALDI-TOF MS mycobacterial IDWeekly 3660
MTB complex NAAT (Xpert)Daily3530
Quantiferon PlusWeekly8800
Mycology (Fungal) Testing

Requisition 100
MALDI-TOF MS mold IDWeekly3960
MALDI-TOF MS yeast IDWeekly3950
Mycology culture: primary specimenDaily3905
Mycology direct examinationDaily3900
Mycology identification procedureDaily3980
Mycology isolate identification, set-upDaily3910
Parasitology

Requisition 100
Gastrointestinal PCR panel (GP)Daily6500Detects 22 viruses, bacteria, and parasites
Parasite blood smear examDaily 4040
Serology

Requisition 100
HIV antigen & antibody immunoassay, serum2x weekly5500HIV screen
HIV antibody differentiation test2x weekly5700HIV confirmation
Quantiferon PlusWeekly8800
RPR, serum2x weekly5035Syphilis screen
RPR, serum, titer2x weekly5040
TP-PA2x weekly5065Syphilis confirmation
VDRL, CSF2x weekly5060Neurosyphilis screen
Services for the General Public


Tick identificationDaily4015Requisition 300
Tick Lyme Disease Testing (referral)ReferredN/ARequisition 301
Water and Shellfish Testing

Requisition 200, Requisition 200 instructions
Drinking water

Well water disinfection
Total coliforms and E. coli presence-absenceDaily (1-day test)8040Fee: $48; Drinking water: sample collection
Total coliforms and E. coli MPN, undilutedDaily (1-day test)8350Fee: $55; Drinking water: sample collection
Heterotrophic plate countDaily (2-day test)8045Fee: $87; HPC: sample collection
Ambient (Recreational and Ocean) Water

Requisition 200
Total coliforms & E. coli MPN, undilutedDaily (1-day test)8350Fee: $55; Ambient water: sample collection
Total coliforms & E. coli MPN, 1:10 dilutionDaily (1-day test)8025Fee: $55; Ambient water: sample collection
Enterococci MPN, undilutedDaily (1-day test)8110Fee: $56; Ambient water: sample collection
Enterococci MPN, 1:10 dilutionDaily (1-day test)8010Fee: $56; Ambient water: sample collection
Spa and Swimming Pool Water


Heterotrophic plate countDaily (2-day test)8045Fee: $87; HPC: sample collection
Shellfish and Shellfish Growing Waters

Requisition 200
NSSP thermotolerant (fecal) coliforms, A-1, growing waterBy appointment8710Fee: $134; 8710: sample collection
NSSP total coliforms, process waterBy appointment8720Fee: $118; 8720: sample collection
NSSP thermotolerant (fecal) coliforms, ocean shellfishBy appointment8770Fee: $274
NSSP thermotolerant (fecal) coliforms, process shellfishBy appointment8780Fee: $264
Special Services


Bioterrorism agent testingDailyVariousRequisition 100
Suspected Ebola patient specimen protocolDailyN/A
Reference testing (commercial laboratory)Daily10000
Urgent charge, per episode (testing outside regularly scheduled hours)By appointment9901
Non-diagnostic general health assessment, single event programBy appointment12001NGHA application
Non-diagnostic general health assessment, multiple event programBy appointment12002NGHA application