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Open Now — 24/7 No Appointment Needed For Emergencies: 817-945-4200 Average Wait: < 10 min
Diagnostic Services

24/7 on-site laboratory in Fort Worth, TX.

Full-service on-site laboratory — chemistry, hematology, microbiology, urinalysis, and rapid infectious disease testing. Most results in under an hour, available 24/7.

Results in 30-60 min Rapid COVID/flu/RSV Full chemistry & CBC Open 24/7
24/7 on-site laboratory at ER Of Fort Worth — same-visit results
When You Need Labs

When labs guide care.

Lab work is essential for diagnosing many emergencies — these are the most common situations where on-site labs matter most.

Suspected infectionBlood cultures, CBC and CRP to identify source.
Cardiac symptomsTroponin to rule out heart attack, BNP for heart failure.
Kidney concernsBUN, creatinine and urinalysis for kidney function.
Diabetes symptomsGlucose, A1c and ketone testing for emergencies.
Liver concernsLFTs and ammonia for liver function workup.
Bleeding or clottingPT/INR, platelets and fibrinogen panels.
Common Reasons

Common reasons.

Our lab supports the full range of ER evaluations — and connects to outside ordering when needed.

  • Symptom evaluation
  • Infection workup
  • Cardiac evaluation
  • Drug screening
  • Pre-procedure clearance
  • Chronic disease monitoring
When to Visit the ER

When labs can't wait.

⚠ Come to the ER for urgent lab work if:
  • Need for urgent diagnosis
  • Cardiac symptoms (chest pain, palpitations)
  • Suspected serious infection
  • Diabetic emergency (DKA, severe hypo/hyperglycemia)
  • Unexplained bleeding requiring evaluation
  • Urgent pregnancy testing
Not sure? Call us.

Our nurses can help you decide.

Call 817-945-4200
Tests We Offer

Tests we offer.

Our on-site lab handles the full spectrum of emergency diagnostic testing 24/7.

Chemistry panels

Electrolytes, kidney function, liver enzymes, glucose, BMP and CMP.

Hematology

CBC, differential count, platelet count and reticulocyte studies.

Microbiology

Blood, urine, wound cultures and gram stains.

Urinalysis

Same-visit results — UTI, kidney function, pregnancy.

Coagulation studies

PT/INR, PTT and D-dimer for clot evaluation.

Rapid PCR & antigen tests

COVID, flu, RSV, strep — results in under an hour.

Why Choose Us

Why ER Of Fort Worth for labs.

Same-visit results

Most lab results back in 30-60 minutes — diagnosis and treatment in one visit.

Board-certified physicians

Lab results interpreted by emergency-medicine doctors, 24/7.

Imaging in the same building

CT, ultrasound and X-ray right alongside the lab.

All major insurance

BCBS, Aetna, Cigna, UHC, Humana, Medicare, Tricare. Full list →

FAQ

Frequently asked questions.

How quickly do lab results come back?

Most basic tests return in 30-60 minutes. Cultures take 24-48 hours — we'll call you with results.

Do you do COVID, flu and RSV tests?

Yes — rapid PCR testing on-site for COVID, flu A/B, RSV and strep.

Can I get lab work without an ER visit?

Lab work performed in our facility is part of the ER evaluation. For routine outpatient labs, contact your primary care provider.

Will my doctor get the results?

We can fax or electronically send results to your primary care provider. Just give us their info at check-in.

Are lab tests covered by insurance?

Yes, when ordered as part of a medically necessary ER visit. We accept all major insurance.

Areas We Serve

Lab services across North Texas.

We serve patients from Fort Worth and surrounding communities including:

Related Services

Other services we offer.

Don't Wait

Need urgent labs? We're open right now.

Walk in or call ahead — same-visit lab results, board-certified physicians. All major insurance accepted.

Call 24/7