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

24/7 on-site laboratory near Southlake, TX.

Southlake residents are just 13 miles from ER Of Fort Worth — a 24/7 freestanding emergency room on Heritage Trace Parkway. Full-service on-site laboratory — chemistry, hematology, microbiology, urinalysis, and rapid infectious disease testing. Most results in under an hour, available 24/7.

~13 miles from Southlake ~15 min via Hwy 114 & US-377 Results in 30-60 min Open 24/7
24/7 on-site laboratory for Southlake TX residents at ER Of Fort Worth

Southlake's approximately 31,000 residents are served by a community known for Southlake Town Square, Bicentennial Park, and Gateway Church. What Southlake lacks is a 24/7 freestanding emergency room with a full-service on-site laboratory. Hospital ERs near Southlake can mean multi-hour waits for basic results, and urgent cares often send labs out, leaving you waiting days for an answer.

That's why Southlake residents rely on ER Of Fort Worth at 4561 Heritage Trace Parkway — just 13 miles from Southlake via Hwy 114 & US-377. We are open 24 hours a day, 7 days a week, 365 days a year. When a Southlake patient near Southlake Town Square, Bicentennial Park, and Gateway Church needs urgent answers, our on-site laboratory delivers most results in 30—60 minutes — no appointment required.

Why Southlake Residents Choose Us

Lab services Southlake trusts.

When you need answers fast, where the lab is located matters. Here is why Southlake residents near Southlake Town Square, Bicentennial Park, and Gateway Church choose ER Of Fort Worth.

15-minute drive from Southlake

Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway.

Results in 30-60 minutes

Southlake patients get diagnosis and treatment in the same visit — no waiting days for an outside lab.

Imaging in the same building

CT, ultrasound and X-ray right alongside the lab — Southlake patients get a complete diagnosis in one stop.

Board-certified ER physicians

Lab results for Southlake patients are interpreted by board-certified emergency medicine physicians — 24/7.

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 for Southlake patients.

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 for Southlake patients — 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.

⚠ Southlake residents — 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 from Southlake.

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 for Southlake patients.

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.

Directions from Southlake

Getting to our ER from Southlake, TX.

We are located at 4561 Heritage Trace Parkway, Suite 117, Fort Worth, TX 76244 — approximately 13 miles from Southlake. The drive typically takes 15 minutes or less under normal traffic conditions.

  • 1 Primary route: Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway. Total: ~13 miles, ~15 min.
  • 2 Alternate route: From Davis Boulevard, head north to Southlake Boulevard (FM-1709), then west to US-377 south toward Heritage Trace Parkway. Total: ~13 miles, ~15 min.
  • ! Tip: If you have an existing prescription or referral for labs, bring it along — but it's not required. Southlake patients can walk in directly.

Our parking lot offers drop-off access directly adjacent to the front entrance. See our full Southlake service area page for a map and neighborhood details.

Why Choose Us

Why ER Of Fort Worth for Southlake's lab needs.

Same-visit results

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

Board-certified physicians

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

Imaging in the same building

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

All major insurance accepted

BCBS, Aetna, Cigna, UnitedHealthcare, Humana, Medicare, Tricare and more. See full insurance list —

Insurance & Payment

Insurance accepted.

Southlake residents should not delay urgent lab testing due to insurance questions. We accept all major commercial insurance, Medicare, Medicaid, Tricare and many more. View our full accepted insurance list —

Our billing team is available to answer questions about your coverage before, during, or after your visit. Self-pay pricing is transparent and available on request.

FAQ

Questions from Southlake patients.

How far is ER Of Fort Worth from Southlake TX?

We are approximately 13 miles from Southlake — about 15 minutes under normal traffic. Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway.

What is the fastest route from Southlake to your ER?

Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway. From Davis Boulevard, head north to Southlake Boulevard (FM-1709), then west to US-377 south toward Heritage Trace Parkway. For turn-by-turn directions, enter "4561 Heritage Trace Pkwy, Fort Worth, TX 76244" into Google Maps or Apple Maps.

How quickly do lab results come back for Southlake patients?

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

Do you do COVID, flu and RSV tests for Southlake residents?

Yes — rapid PCR testing on-site for COVID, flu A/B, RSV and strep, with results in under an hour for Southlake patients.

Will my insurance cover lab tests from Southlake TX?

Yes, when ordered as part of a medically necessary ER visit. We accept all major insurance, including BCBS, Aetna, Cigna, UnitedHealthcare, Humana, Medicare, and Tricare. See our full insurance details at /insurance/.

Will my doctor back in Southlake get the lab results?

We can fax or electronically send results to your primary care provider. Just give us their info at check-in and we'll make sure your Southlake doctor stays in the loop.

Can Southlake residents get lab work without a full ER visit?

Lab work performed in our facility is part of the ER evaluation. For routine outpatient labs, Southlake residents should contact their primary care provider — but for any urgent or unexplained symptom, our ER lab can deliver same-visit answers.

Can Southlake patients use online check-in for lab work?

Online check-in at /online-check-in/ is available for non-emergency symptoms. If you have chest pain, signs of serious infection, or a diabetic emergency, do not pause to fill out a form — call 817-945-4200 or come straight in.

What's the best route from the Southlake Town Square, Bicentennial Park, and Gateway Church area in Southlake to your ER?

Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway. From Davis Boulevard, head north to Southlake Boulevard (FM-1709), then west to US-377 south toward Heritage Trace Parkway. Both routes average 15 minutes under normal Tarrant County traffic.

Internal Links

More resources for Southlake residents.

Southlake TX · Don't Wait

Need lab work near Southlake? We're 13 miles away.

Walk in or call ahead — full-service on-site laboratory available 24/7. Board-certified ER physicians on-site. All major insurance accepted. 4561 Heritage Trace Parkway, Fort Worth.

Call 24/7