Trends · data through September 2026

Diagnostic Services in the United States

Iceflower tracks 1,724 stores from 953 diagnostic service chains in the United States. IBJI MRI grew fastest over the last year, ahead of One Step Diagnostic and Rolling Oaks Radiology.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
953
Tracked stores
1,724
Consumer panel
130M+

Growth ranking

Fastest-growing tracked diagnostic service chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. IBJI MRI and One Step Diagnostic sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 IBJI MRI ▲4 +19.3%
2 One Step Diagnostic ▲3 +18.9%
3 Rolling Oaks Radiology ▲3 +18.8%
4 Labcorp - +18.4%
5 Sonora Quest Laboratories ▲1 +17.0%
6 Radiology Associates ▲2 +15.8%
7 Kern Radiology Old River ▲1 +10.3%
8 Desert Imaging - +1.8%
9 Touchstone Medical Imaging - +1.0%
10 Shields MRI - -0.9%
11 Banner Imaging - -0.9%
12 ARCpoint Labs - -1.4%
13 Vital Imaging Center ▼3 -4.1%
14 MH Imaging ▼2 -4.8%
15 American Health Imaging, Inc. ▼2 -6.8%
  • Labcorp
  • Any Lab Test Now
  • Touchstone Medical Imaging
  • Sanofi Pasteur Inc.
  • TGH Imaging
  • Banner Imaging
  • Quest Diagnostics
  • Other tracked chains

Store footprint

Store map

1,724 tracked store locations in the United States. The 7 largest tracked chains are highlighted. The top 5 chains by store count run 630 of the 1,724 stores (37%); 854 of the 953 tracked chains have a single store here.

  • Labcorp (432)
  • Any Lab Test Now (134)
  • Touchstone Medical Imaging (32)
  • Sanofi Pasteur Inc. (1)
  • TGH Imaging (4)
  • Banner Imaging (4)
  • Quest Diagnostics (19)
  • Other tracked chains

Top tracked chains by store count

  • 1 Labcorp 432
  • 2 Any Lab Test Now 134
  • 3 Touchstone Medical Imaging 32
  • 4 Quest Diagnostics 19
  • 5 Sonora Quest Laboratories 13
  • 6 Averhealth 8
  • 7 Arizona Diagnostic Radiology 6
  • 8 Rolling Oaks Radiology 5
  • 9 Baptist M&S Imaging 5
  • 10 Wienhoff Drug Testing 4
  • 11 Atlantic Medical Imaging 4
  • 12 One Step Diagnostic 4
  • 13 IBJI MRI 4
  • 14 Desert Imaging 4
  • 15 Banner Imaging 4
  • 16 TGH Imaging 4
  • 17 American Health Imaging, Inc. 3
  • 18 MH Imaging 3
  • 19 Houston MRI 3
  • 20 Shields MRI 3
  • 21 Vital Imaging Center 3
  • 22 First Glimpse Ultrasound 3
  • 23 Precision Imaging Centers 3
  • 24 American Health Imaging 3
  • 25 Trinity Health Lab 3
  • 26 Radiology Associates 3
  • 27 Palmetto Imaging 3
  • 28 ARCpoint Labs 3
  • 29 Kern Radiology Old River 3
  • 30 Clinical Pathology Laboratories 3
  • 31 UW Health 3
  • 32 Peek-A-View Baby 3
  • 33 Orlando Diagnostic Center 2
  • 34 Temecula Valley Advanced Imaging 2
  • 35 Partners Imaging Centers 2
  • 36 My First Peekaboo Ultrasound 2
  • 37 White Labs 2
  • 38 Bridgeway Diagnostics 2
  • 39 Future Diagnostics Group 2
  • 40 Midtown Medical Imaging 2
  • 41 Saratoga Hospital Medical Group 2
  • 42 Akumin 2
  • 43 Professional Radiology 2
  • 44 Exact Sciences 2
  • 45 Smart Choice MRI 2
  • 46 Tricore Reference Laboratories 2
  • 47 Texas Health Care PLLC 2
  • 48 Fairfax Radiology Center 2
  • 49 Trident Pain Center 2
  • 50 Local STD Testing Services 2

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