Lab testing guides & resources
Plain-language, sourced guides to help you understand lab testing — what each test measures, who needs it, how the process works, and what your results mean. Use these alongside our price comparison to make an informed choice.
Titer Testing & Immunity Explained
What a titer test measures, the common titers (Hep B, MMR, Varicella), what results mean, and the booster-and-retest process.
Read the guide →School & Healthcare Compliance
Immunity and TB requirements for nursing and allied-health students, healthcare onboarding, OSHA, and immigration (Form I-693).
Read the guide →STD / STI Testing Basics
Which infections to test for, blood vs. urine tests, window periods, CDC screening guidance, and how confidential testing works.
Read the guide →Workplace & Drug Testing Basics
5-, 10-, and 12-panel tests, urine vs. hair, detection windows, lab vs. instant tests, and what a Medical Review Officer does.
Read the guide →Category hubs
Start here to explore a testing category — each hub links all related cost comparisons, guides, and use-case pages.
Titer & Immunity Testing (2026)
Hub for all titer tests — MMR, Hep B, Varicella, panels, immigration, and school compliance. Prices, guides, and recommendations.
Explore hub →STD Testing (2026)
Hub for STD/STI testing — what panels include, honest pricing, post-exposure guidance, and how to choose the right test.
Explore hub →Drug Testing (2026)
Hub for drug testing — panel types, workplace requirements, DOT vs. non-DOT, and prices for 5, 10, and 12-panel tests.
Explore hub →Heart & Cardiac Testing (2026)
Hub for cardiac blood tests — lipid panel, hs-CRP, homocysteine — what each measures and where prices are lowest.
Explore hub →Diabetes Testing (2026)
Hub for diabetes blood tests — A1c, glucose, insulin — what each measures, when to test, and current prices.
Explore hub →Cost comparisons
Verified, side-by-side pricing for each common test — with all checkout fees surfaced and panel scope explained.
Lipid Panel (Cholesterol) Cost (2026)
Jason Health leads at $28 (fee-inclusive), HealthLabs at $29. Full breakdown with what each covers.
Compare prices →Cardiac Test Cost: Lipid, hs-CRP, Homocysteine (2026)
Three separate tables for lipid panel, hs-CRP, and homocysteine — with the cheapest portal for each.
Compare prices →Diabetes Test Cost: A1c, Glucose, Insulin (2026)
LabReqs cheapest on diabetes panel ($42.99) and standalone A1c ($28). Full breakdown.
Compare prices →Urine Drug Test Cost: 5, 10, 12-Panel (2026)
LabReqs cheapest on 5/10-panel; HealthLabs cheapest on 12-panel. Honest no-spin comparison.
Compare prices →How-to & ordering guides
Step-by-step explanations of how direct-access lab testing works — no doctor visit or insurance required.
How Online Lab Testing Works (2026)
Order online, visit a local draw site, get results in 1–3 days — no doctor's office required. Step-by-step walkthrough with tips for fasting, timing, and interpreting your results.
Read the guide →Lab Tests Without Insurance (2026)
What to expect when paying out-of-pocket, how portal pricing compares to hospital billing, which tests are cheapest without coverage, and how to avoid surprise fees.
Read the guide →Use-case guides
Targeted guides for specific situations — immigration requirements, pre-employment screening, and post-exposure testing.
Titers for Immigration & USCIS (Form I-693, 2026)
Which titer tests civil surgeons require for Form I-693, how to order the immunity panel online beforehand, and why SchoolTiters.com is recommended for applicants under 18.
Read the guide →Pre-Employment Drug Testing (2026)
What employers test for, DOT vs. non-DOT programs, how to order your own 5- or 10-panel test before a job offer, and current prices from the cheapest portals.
Read the guide →STD Testing After Exposure (2026)
Window periods for HIV, syphilis, gonorrhea, chlamydia, herpes, and hepatitis C — when to test, what to order, and what results mean after a potential exposure.
Read the guide →Titer & immunity test price comparisons
Verified, side-by-side pricing for each common titer test — with checkout fees surfaced and panel scope explained.
MMR Titer Cost (2026)
Compare MMR titer prices across 7 online portals — from $74 (DirectLabs) to $155 (Walk-In Lab). Checkout fees and what's included for each.
Compare prices →Hepatitis B Titer Cost (2026)
Compare Hep B surface antibody titer prices across 7 portals — from $38.88 to $99. Includes the antibody vs. antigen ordering distinction.
Compare prices →Varicella Titer Cost (2026)
Compare varicella (chickenpox) titer prices. Fewer portals offer this test standalone — see who has it and at what price.
Compare prices →Immunity Panel Cost (2026)
Compare full immunity panel (Hep B + MMR + Varicella) prices across 5 portals — from $139 to $189. Includes panel vs. individual cost analysis.
Compare prices →QuantiFERON-TB Test Cost (2026)
Only two portals offer the QuantiFERON-TB Gold online. Compare prices and see how the blood test stacks up against the TB skin test.
Compare prices →STD Panel Cost Comparison (2026)
STD panels vary widely in scope. Compare what each portal's panel covers alongside price — not all "comprehensive" panels are equivalent.
Compare prices →Roundups & how-to guides
Practical guides for nursing students, healthcare workers, and anyone navigating the titer testing process.
Cheapest Titer Tests Online (2026)
The lowest-price provider for each titer — Hep B, MMR, Varicella, and full panel — with checkout fees factored in. No single portal wins every test.
See the roundup →Best Online Labs for Nursing School (2026)
What nursing programs require, how portals compare for the full set of school immunization tests, and how to choose based on your situation.
Read the guide →How to Get Titers for Nursing School
Step-by-step: find requirements, order online, get the blood draw, handle non-immune results, and submit to your program. Includes realistic timeline.
Read the guide →Do You Need a Doctor for a Titer Test?
How direct-to-consumer ordering works, what the physician's role is, which states have restrictions, and when your school may still need a provider signature.
Read the guide →Educational information only. These guides are for general understanding and are not medical advice. Always consult a qualified healthcare provider, and follow the specific requirements of your school, employer, or program.