Lake Worth's approximately 5,000 residents are served by a community known for the Lake Worth reservoir and Castle Hills. What Lake Worth lacks is a 24/7 freestanding emergency room with a full-service on-site laboratory. Hospital ERs near Lake Worth 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 Lake Worth residents rely on ER Of Fort Worth at 4561 Heritage Trace Parkway — just 16 miles from Lake Worth via Hwy 199 & I-820. We are open 24 hours a day, 7 days a week, 365 days a year. When a Lake Worth patient near the Lake Worth reservoir and Castle Hills needs urgent answers, our on-site laboratory delivers most results in 30—60 minutes — no appointment required.
Lab services Lake Worth trusts.
When you need answers fast, where the lab is located matters. Here is why Lake Worth residents near the Lake Worth reservoir and Castle Hills choose ER Of Fort Worth.
20-minute drive from Lake Worth
Take Jacksboro Highway (Hwy 199) east to I-820, then north to I-35W and Heritage Trace Parkway.
Results in 30-60 minutes
Lake Worth 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 — Lake Worth patients get a complete diagnosis in one stop.
Board-certified ER physicians
Lab results for Lake Worth patients are interpreted by board-certified emergency medicine physicians — 24/7.
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 Lake Worth patients.
Common reasons.
Our lab supports the full range of ER evaluations for Lake Worth patients — and connects to outside ordering when needed.
- ✓Symptom evaluation
- ✓Infection workup
- ✓Cardiac evaluation
- ✓Drug screening
- ✓Pre-procedure clearance
- ✓Chronic disease monitoring
When labs can't wait.
- —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 Lake Worth.
Our nurses can help you decide.
Tests we offer.
Our on-site lab handles the full spectrum of emergency diagnostic testing 24/7 for Lake Worth 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.
Getting to our ER from Lake Worth, TX.
We are located at 4561 Heritage Trace Parkway, Suite 117, Fort Worth, TX 76244 — approximately 16 miles from Lake Worth. The drive typically takes 20 minutes or less under normal traffic conditions.
- 1 Primary route: Take Jacksboro Highway (Hwy 199) east to I-820, then north to I-35W and Heritage Trace Parkway. Total: ~16 miles, ~20 min.
- 2 Alternate route: From Castle Hills, follow Lake Worth Blvd to Hwy 199 east, connecting to I-820 northbound. Total: ~16 miles, ~20 min.
- ! Tip: If you have an existing prescription or referral for labs, bring it along — but it's not required. Lake Worth patients can walk in directly.
Our parking lot offers drop-off access directly adjacent to the front entrance. See our full Lake Worth service area page for a map and neighborhood details.
Why ER Of Fort Worth for Lake Worth's lab needs.
Same-visit results
Most lab results back in 30-60 minutes — diagnosis and treatment in one visit for Lake Worth 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 accepted.
Lake Worth 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.
Questions from Lake Worth patients.
How far is ER Of Fort Worth from Lake Worth TX?
We are approximately 16 miles from Lake Worth — about 20 minutes under normal traffic. Take Jacksboro Highway (Hwy 199) east to I-820, then north to I-35W and Heritage Trace Parkway.
What is the fastest route from Lake Worth to your ER?
Take Jacksboro Highway (Hwy 199) east to I-820, then north to I-35W and Heritage Trace Parkway. From Castle Hills, follow Lake Worth Blvd to Hwy 199 east, connecting to I-820 northbound. 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 Lake Worth patients?
Most basic tests return in 30—60 minutes. Cultures take 24—48 hours — we'll call Lake Worth patients with those results.
Do you do COVID, flu and RSV tests for Lake Worth residents?
Yes — rapid PCR testing on-site for COVID, flu A/B, RSV and strep, with results in under an hour for Lake Worth patients.
Will my insurance cover lab tests from Lake Worth 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 Lake Worth 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 Lake Worth doctor stays in the loop.
Can Lake Worth 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, Lake Worth residents should contact their primary care provider — but for any urgent or unexplained symptom, our ER lab can deliver same-visit answers.
Can Lake Worth 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 the Lake Worth reservoir and Castle Hills area in Lake Worth to your ER?
Take Jacksboro Highway (Hwy 199) east to I-820, then north to I-35W and Heritage Trace Parkway. From Castle Hills, follow Lake Worth Blvd to Hwy 199 east, connecting to I-820 northbound. Both routes average 20 minutes under normal Tarrant County traffic.