Business phone system for medical laboratories
How medical laboratories use the phone, how big their teams are, where they operate, and what calling and texting cost on Callata versus per-seat pricing.
- U.S. establishments
- 16,635CBP 2023
- Employees
- 232,333mid-March 2023
- Avg. team
- 14.0employees per establishment
- Metro areas
- 485with published counts
Medical laboratories in the United States
County Business Patterns counted 16,635 medical laboratories in the U.S. in 2023 (NAICS 621511, Medical Laboratories). They employed 232,333 people in mid-March and paid $17.2 billion in annual payroll. The average establishment has 14.0 employees. That is 4.9 establishments for every 100,000 residents.
Texas has the most (2,128), followed by California (1,784), Florida (1,025), and Georgia (800). Relative to population, Connecticut leads with 8.9 per 100,000 residents, and North Dakota has the fewest at 1.3.
| Measure | United States |
|---|---|
| Establishments | 16,635 |
| Mid-March employees | 232,333 |
| Annual payroll | $17,228,940,000 |
| Payroll per employee | $74,156 |
| Employees per establishment | 14.0 |
Source: Census County Business Patterns 2023.
Why the phone matters for medical laboratories
Labs answer calls from both patients and ordering providers, and the questions differ: hours and preparation instructions on one side, specimen and result status on the other. Routing those calls separately keeps both groups from waiting.
Calls medical laboratories commonly handle:
- A patient calls to ask whether fasting is required before a blood draw.
- A physician's office calls about a specimen status.
- A patient calls to ask about walk-in hours.
- A courier calls to confirm a pickup.
- A provider calls to add a test to an existing order.
Texting and after-hours calls
Labs use texting mainly for hours, location and preparation reminders.
After-hours calls are mostly about the next day's hours and preparation, which a clear greeting can answer.
Practices that handle protected health information should review their own privacy obligations before recording calls, enabling AI summaries or texting appointment details, and keep clinical conversations out of text messages unless their policies allow it.
How big medical laboratories are
69.4% of U.S. medical laboratories with employees had fewer than five people in March 2023. 83.0% had fewer than ten. Most phone decisions in this industry are made for small teams, where one shared number and sensible routing matter more than a desk phone per person.
| Employment size | Establishments | Share |
|---|---|---|
| 1–4 employees | 11,548 | 69.4% |
| 5–9 employees | 2,258 | 13.6% |
| 10–19 employees | 1,254 | 7.5% |
| 20–49 employees | 804 | 4.8% |
| 50 or more employees | 771 | 4.6% |
Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.
Medical laboratories by state
Establishment counts for the 51 states (and DC) where Census published a figure, with the rate per 100,000 residents.
| State | Establishments | Employees | Per 100k residents |
|---|---|---|---|
| Texas | 2,128 | 21,350 | 6.8 |
| California | 1,784 | 32,649 | 4.5 |
| Florida | 1,025 | 18,385 | 4.4 |
| Georgia | 800 | 8,161 | 7.2 |
| New Jersey | 734 | 12,206 | 7.7 |
| New York | 692 | 10,939 | 3.5 |
| North Carolina | 606 | 13,700 | 5.5 |
| Tennessee | 506 | 6,963 | 7.0 |
| Pennsylvania | 489 | 7,899 | 3.7 |
| Illinois | 487 | 6,885 | 3.8 |
| Ohio | 482 | 6,637 | 4.1 |
| Virginia | 441 | 5,651 | 5.0 |
| Arizona | 416 | 8,202 | 5.5 |
| Maryland | 414 | 3,077 | 6.6 |
| Michigan | 410 | 5,104 | 4.0 |
| Massachusetts | 402 | 4,766 | 5.6 |
| Missouri | 384 | 2,843 | 6.1 |
| Indiana | 332 | 5,250 | 4.8 |
| Connecticut | 328 | — | 8.9 |
| Colorado | 312 | 2,123 | 5.2 |
| Washington | 303 | 4,043 | 3.8 |
| Louisiana | 283 | 2,909 | 6.2 |
| Alabama | 278 | 2,713 | 5.4 |
| Oklahoma | 252 | 2,498 | 6.2 |
| Kentucky | 251 | 3,168 | 5.5 |
| Nevada | 246 | 1,502 | 7.5 |
| South Carolina | 236 | 2,651 | 4.3 |
| Oregon | 172 | 1,648 | 4.0 |
| Kansas | 162 | 3,789 | 5.5 |
| Arkansas | 128 | 1,456 | 4.1 |
| Wisconsin | 116 | — | 1.9 |
| New Mexico | 110 | 2,097 | 5.2 |
| Minnesota | 89 | 1,653 | 1.5 |
| Utah | 88 | 1,266 | 2.5 |
| Idaho | 77 | 841 | 3.8 |
| Mississippi | 77 | 1,118 | 2.6 |
| West Virginia | 76 | 909 | 4.3 |
| Delaware | 66 | 249 | 6.3 |
| Rhode Island | 61 | 1,061 | 5.5 |
| Iowa | 60 | 800 | 1.9 |
| New Hampshire | 57 | 165 | 4.0 |
| Hawaii | 50 | — | 3.5 |
| Maine | 48 | 653 | 3.4 |
| Nebraska | 38 | 674 | 1.9 |
| Alaska | 32 | 184 | 4.3 |
| District of Columbia | 32 | 86 | 4.6 |
| Montana | 21 | 101 | 1.8 |
| Wyoming | 18 | 115 | 3.1 |
| South Dakota | 13 | 116 | 1.4 |
| Vermont | 13 | — | 2.0 |
| North Dakota | 10 | 54 | 1.3 |
Source: Census County Business Patterns 2023; Census Vintage 2024 state population estimates.
Largest metro areas for medical laboratories
Census published medical laboratory counts for 485 metro and micropolitan areas. The 25 largest:
| Area | Establishments | Employees |
|---|---|---|
| New York, NY-NJ | 1,000 | 19,480 |
| Los Angeles, CA | 711 | 13,768 |
| Houston, TX | 681 | 5,148 |
| Dallas, TX | 616 | 7,658 |
| Atlanta, GA | 552 | 6,401 |
| Chicago, IL-IN | 411 | 8,591 |
| Washington, DC-VA-MD-WV | 406 | 5,209 |
| Philadelphia, PA-NJ-DE-MD | 378 | 5,827 |
| Miami, FL | 342 | 5,406 |
| Phoenix, AZ | 301 | 7,692 |
| Boston, MA-NH | 262 | 3,730 |
| San Antonio, TX | 234 | 2,095 |
| San Francisco, CA | 205 | 5,846 |
| Denver, CO | 205 | 1,444 |
| Las Vegas, NV | 204 | 1,279 |
| Baltimore, MD | 203 | 1,146 |
| Detroit, MI | 188 | 3,272 |
| St. Louis, MO-IL | 178 | 1,639 |
| Tampa, FL | 176 | 6,518 |
| Kansas City, MO-KS | 164 | 4,186 |
| Riverside, CA | 163 | 1,363 |
| Nashville, TN | 155 | 3,612 |
| Seattle, WA | 147 | 2,721 |
| Oklahoma City, OK | 137 | 1,087 |
| Austin, TX | 136 | 3,430 |
Phone system pricing for a 14-person medical laboratory
The average U.S. medical laboratory has 14.0 employees, so the comparison uses a 14-person team. Priced per seat, 14 users would run $420.00 a month on RingCentral RingEX Core and $349.30 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $1,692 less than RingCentral for a medical laboratory in the U.S. of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
How Callata works for medical laboratories
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
Texting from a local number requires carrier registration (10DLC), a one-time $49 fee. Porting an existing number is free.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
Frequently asked questions
How many medical laboratories are in the U.S.?
16,635 in 2023, according to Census County Business Patterns (NAICS 621511).
What does a phone system cost a 14-person medical laboratory?
$420.00 a month on RingCentral RingEX Core or $349.30 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $279.00 a month on Callata, where $99 covers the first 5 users.
Can medical laboratories keep their existing number?
Yes. Porting an existing number to Callata is free.
Can an AI agent answer calls for a medical laboratory?
Callata's optional AI receptionist, sales, support and scheduler agents can answer calls, take messages, text, email and transfer to your team. They identify themselves as AI and use prepaid AI minutes at $0.25 per minute.