CallataGuides

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.

Medical laboratories in the U.S., 2023
MeasureUnited States
Establishments16,635
Mid-March employees232,333
Annual payroll$17,228,940,000
Payroll per employee$74,156
Employees per establishment14.0

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:

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.

U.S. medical laboratories by employment size, 2023
Employment sizeEstablishmentsShare
1–4 employees11,54869.4%
5–9 employees2,25813.6%
10–19 employees1,2547.5%
20–49 employees8044.8%
50 or more employees7714.6%

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.

Medical laboratories by state, 2023
StateEstablishmentsEmployeesPer 100k residents
Texas2,12821,3506.8
California1,78432,6494.5
Florida1,02518,3854.4
Georgia8008,1617.2
New Jersey73412,2067.7
New York69210,9393.5
North Carolina60613,7005.5
Tennessee5066,9637.0
Pennsylvania4897,8993.7
Illinois4876,8853.8
Ohio4826,6374.1
Virginia4415,6515.0
Arizona4168,2025.5
Maryland4143,0776.6
Michigan4105,1044.0
Massachusetts4024,7665.6
Missouri3842,8436.1
Indiana3325,2504.8
Connecticut328—8.9
Colorado3122,1235.2
Washington3034,0433.8
Louisiana2832,9096.2
Alabama2782,7135.4
Oklahoma2522,4986.2
Kentucky2513,1685.5
Nevada2461,5027.5
South Carolina2362,6514.3
Oregon1721,6484.0
Kansas1623,7895.5
Arkansas1281,4564.1
Wisconsin116—1.9
New Mexico1102,0975.2
Minnesota891,6531.5
Utah881,2662.5
Idaho778413.8
Mississippi771,1182.6
West Virginia769094.3
Delaware662496.3
Rhode Island611,0615.5
Iowa608001.9
New Hampshire571654.0
Hawaii50—3.5
Maine486533.4
Nebraska386741.9
Alaska321844.3
District of Columbia32864.6
Montana211011.8
Wyoming181153.1
South Dakota131161.4
Vermont13—2.0
North Dakota10541.3

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:

Top metro areas for medical laboratories by establishments, 2023
AreaEstablishmentsEmployees
New York, NY-NJ1,00019,480
Los Angeles, CA71113,768
Houston, TX6815,148
Dallas, TX6167,658
Atlanta, GA5526,401
Chicago, IL-IN4118,591
Washington, DC-VA-MD-WV4065,209
Philadelphia, PA-NJ-DE-MD3785,827
Miami, FL3425,406
Phoenix, AZ3017,692
Boston, MA-NH2623,730
San Antonio, TX2342,095
San Francisco, CA2055,846
Denver, CO2051,444
Las Vegas, NV2041,279
Baltimore, MD2031,146
Detroit, MI1883,272
St. Louis, MO-IL1781,639
Tampa, FL1766,518
Kansas City, MO-KS1644,186
Riverside, CA1631,363
Nashville, TN1553,612
Seattle, WA1472,721
Oklahoma City, OK1371,087
Austin, TX1363,430

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.

Monthly list price for a 14-person medical laboratory
Provider (plan)Pricing basisPer monthPer 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.