Five Star Laboratories Inc
Clinical Reference Laboratory · Houston, TX

The standard behind the result.

Five Star Laboratories delivers accurate, physician-ready diagnostics with rigorous quality and dependable turnaround — the reliability your practice is built on.

8+Test categories
99.9%Accuracy standard
24hTypical turnaround
STATRush available
Our Services

Comprehensive diagnostic testing

From routine chemistry to advanced molecular diagnostics — every test handled with the Five Star standard.

Clinical Chemistry

Metabolic, lipid, liver and kidney panels with precise, physician-ready reference ranges.

Hematology

Complete blood counts, coagulation studies and anemia workups on automated analyzers.

Molecular & PCR

High-sensitivity infectious-disease and respiratory panels with rapid molecular detection.

Toxicology

Urine drug screening with confirmatory LC-MS/MS for definitive, defensible results.

Endocrine & Hormone

Thyroid, reproductive and metabolic hormone panels for comprehensive evaluation.

Specimen Pickup

Reliable, scheduled courier pickup built around your practice’s workflow.

Why Five Star

Diagnostics you can build a practice on.

Precision instrumentation, rigorous quality management, and a clinic-first philosophy — every result meets the standard your patients deserve.

  • Accurate, physician-ready results you can act on
  • Rigorous quality controls at every step
  • Dependable turnaround and clear reporting
  • Dedicated account support for every partner
200+Tests offered
8+Test categories
99.9%Accuracy standard
STATRush by phone
How It Works

A simple path to reliable results

01

Connect

Reach out and tell us about your practice’s testing needs.

02

Onboard

We set up requisitions, supplies, and scheduled pickup.

03

Test

Samples processed on precision, automated instrumentation.

04

Report

Physician-ready results delivered clearly and on time.

Testimonials

Trusted by healthcare providers

★★★★★

“Five Star is exactly what its name promises — accurate results, on time, every time. Communication is outstanding.”

Office ManagerPrimary Care Clinic — Houston, TX
★★★★★

“The quality and consistency of their reporting has made them a cornerstone of how we deliver care.”

Practice AdministratorMedical Group — Houston, TX
★★★★★

“A professional, dependable reference laboratory. Their attention to detail truly sets the standard.”

Clinical DirectorHealthcare Practice — Harris County, TX
One Standard. Every Result.
Proudly serving healthcare providers across Houston, Texas.

Partner with Five Star Laboratories

Set the standard for your practice’s diagnostics. Tell us what you need and our team will follow up within one business day.