IDEXX Reference Laboratories

The most complete and advanced menu of diagnostic tests

Directory of tests and services

Discover more diagnostic options for faster, more accurate diagnoses. This interactive directory lets you look up test codes, compare panels, and see what’s included with different tests.

Convenient, flexible service, and delivery options

Support team member wearing an IDEXX lab coat
  • Daily courier and late pickup in most major metro areas and, in areas without courier service, the option to submit specimens using UPS or FedEx give you the ultimate convenience
  • Results by 8:00 a.m. next day with routine blood work
  • Fast, accurate electronic test ordering via Cornerstone Software or other practice management systems
  • Receive patient results online with VetConnect PLUS , by email, by automatic download to Cornerstone Software or other practice management systems, or by fax

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Turnaround times —Results delivery at a glance

(Chemistry, CBC, coagulation, urinalysis, total T 4 )

Pickup time Results delivery
Morning 6:00 p.m. same day
Afternoon/evening 8:00 a.m. next morning

(Lab 4Dx Plus Test, Giardia antigen immunoassay, heartworm antigen, FIV and FeLV ELISAs)

Pickup time Results delivery
All times 8:00 a.m. next morning

(Fecal ova and parasites, Fecal Dx antigen panels)

Pickup time Results delivery
All times 6:00 p.m. next day

For fecal specimens submitted by the pet owner using the IDEXX FecalChek Home Collection Kit, results are reported by noon the next day following receipt at the laboratory.

Pickup time Results delivery
Shipping is not applicable—submit digitally via the IDEXX Digital Cytology instrument 2 hours or less by an IDEXX clinical pathologist available 24/7/365
Pickup time Results delivery
All times Standard: 3–5 days (Monday–Friday)
Priority: 1–2 days (Monday–Friday)
Pickup time Results delivery
All times Standard : 3–5 days (Monday–Friday)
Priority : 2–3 days (Monday–Friday)
Complex : 5–7 days (Monday–Friday)

Complex results are typically final within 5–7 days. Depending on the level of complexity for specimen assessment, dissection and processing (including adequate fixation and/or decalcification), results may take up to 14 days. Specimens involving teeth may take up to 21 days due to decalcification time.

Learn more about a specific product or service.

A representative will help you every step of the way.

Order from IDEXX Reference Laboratories

All times are local to the submitting practice. For IDEXX-Direct service (FedEx), times are Central Standard Time. Specimens submitted for routine tests on Saturday using the IDEXX-Direct service will have results delivered on Monday. Specimens submitted for routine tests using a Saturday courier service will receive next-day results. Turnaround times for send-out tests are estimates only and are dependent on the referral laboratory. Note: There may be times when weather or operational considerations cause delays in providing test results. When this happens, we will inform you as quickly as possible with the most complete information available.

PCR testing is a service performed pursuant to an agreement with Roche Molecular Systems, Inc.


  1. Nabity MB, Lees GE, Boggess M, et al. Symmetric dimethylarginine assay validation, stability, and evaluation as a marker for early detection of chronic kidney disease in dogs. J Vet Intern Med . 2015;29(4):1036–1044.
  2. Hall JA, Yerramilli M, Obare E, Yerramilli M, Jewell DE. Comparison of serum concentrations of symmetric dimethylarginine and creatinine as kidney function biomarkers in cats with chronic kidney disease. J Vet Intern Med . 2014;28(6):1676–1683.
  3. Hall JA, Yerramilli M, Obare E, Yerramilli M, Almes K, Jewell DE. Serum concentrations of symmetric dimethylarginine and creatinine in dogs with naturally occurring chronic kidney disease. J Vet Intern Med . 2016;30(3):794–802.
  4. Data on file at IDEXX Laboratories, Inc. Westbrook, Maine USA.
  5. Elsemore DA, Geng J, Flynn L, Cruthers L, Lucio-Forster A, Bowman DD. Enzyme-linked immunosorbent assay for coproantigen detection of Trichuris vulpis in dogs. J Vet Diagn Invest . 2014;26(3):404–411.
  6. Goldstein RE, Eberts MD, Beall MJ, Thatcher B, Chandrashekar R, Alleman AR. Performance comparison of SNAP 4Dx Plus and AccuPlex4 for the detection of antibodies to Borrelia burgdorferi and Anaplasma phagocytophilum . Int J Appl Res Vet Med . 2014;12(2):141–147.
  7. Eberts MD. Performance of SNAP 4Dx Plus and AccuPlex4 in dogs with different heartworm burdens. Int J Appl Res Vet Med . 2013;11(1):7–9.
  8. Liu J, Drexel J, Andrews B, Eberts M, Breitschwerdt E, Chandrashekar R. Comparative evaluation of two in-clinic assays for vector-borne disease testing in dogs. Top Comp Anim Med . 2018;33(4):114–118.
  9. Geddes RF, Elliott J, Syme HM.  Relationship between Plasma Fibroblast Growth Factor-23 concentration and Survival Time in Cats with Chronic Kidney Disease. J Vet Intern Med. 2015;29:1494-1501.
  10. Finch NC, Geddes RF, Syme HM, Elliott J.  Fibroblast Growth Factor 23 (FGF-23) Concentrations in Cats with Early Nonazotemic Chronic Kidney Disease (CKD) and in Health Geriatric Cats. J Vet Intern Med. 2013;27:227-233